Home / 847,418.76-1,169,454.51-465,466.50

Finding the Fourth Proportional to 847,418.76, 1,169,454.51 and 465,466.50

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Solution

The fourth proportional to 847,418.76, 1,169,454.51 and 465,466.50 is: 642,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,418.76 : 1,169,454.51 = 465,466.50 : x
  2. Step 2: Convert to fraction form
    847,418.76/1,169,454.51 = 465,466.50/x
  3. Step 3: Cross multiply
    847,418.76x = 1,169,454.51 × 465,466.50
  4. Step 4: Simplify right side
    847,418.76x = 544,341,897,678.92
  5. Step 5: Solve for x
    x = 544,341,897,678.92/847,418.76
  6. Step 6: Final answer
    x = 642,352.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.