Home / 692,597.40-1,038,680.10-272,002.20

Finding the Fourth Proportional to 692,597.40, 1,038,680.10 and 272,002.20

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Solution

The fourth proportional to 692,597.40, 1,038,680.10 and 272,002.20 is: 407,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,597.40 : 1,038,680.10 = 272,002.20 : x
  2. Step 2: Convert to fraction form
    692,597.40/1,038,680.10 = 272,002.20/x
  3. Step 3: Cross multiply
    692,597.40x = 1,038,680.10 × 272,002.20
  4. Step 4: Simplify right side
    692,597.40x = 282,523,272,296.22
  5. Step 5: Solve for x
    x = 282,523,272,296.22/692,597.40
  6. Step 6: Final answer
    x = 407,918.47

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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.