Home / 844,999.30-1,267,498.95-424,123.30

Finding the Fourth Proportional to 844,999.30, 1,267,498.95 and 424,123.30

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Solution

The fourth proportional to 844,999.30, 1,267,498.95 and 424,123.30 is: 636,184.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,999.30 : 1,267,498.95 = 424,123.30 : x
  2. Step 2: Convert to fraction form
    844,999.30/1,267,498.95 = 424,123.30/x
  3. Step 3: Cross multiply
    844,999.30x = 1,267,498.95 × 424,123.30
  4. Step 4: Simplify right side
    844,999.30x = 537,575,837,420.54
  5. Step 5: Solve for x
    x = 537,575,837,420.54/844,999.30
  6. Step 6: Final answer
    x = 636,184.95

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.