Home / 849,885.40-1,272,203.70-493,841.80

Finding the Fourth Proportional to 849,885.40, 1,272,203.70 and 493,841.80

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Solution

The fourth proportional to 849,885.40, 1,272,203.70 and 493,841.80 is: 739,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,885.40 : 1,272,203.70 = 493,841.80 : x
  2. Step 2: Convert to fraction form
    849,885.40/1,272,203.70 = 493,841.80/x
  3. Step 3: Cross multiply
    849,885.40x = 1,272,203.70 × 493,841.80
  4. Step 4: Simplify right side
    849,885.40x = 628,267,365,174.66
  5. Step 5: Solve for x
    x = 628,267,365,174.66/849,885.40
  6. Step 6: Final answer
    x = 739,237.74

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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.