Home / 702,729.72-1,052,395.20-402,299.10

Finding the Fourth Proportional to 702,729.72, 1,052,395.20 and 402,299.10

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Solution

The fourth proportional to 702,729.72, 1,052,395.20 and 402,299.10 is: 602,475.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,729.72 : 1,052,395.20 = 402,299.10 : x
  2. Step 2: Convert to fraction form
    702,729.72/1,052,395.20 = 402,299.10/x
  3. Step 3: Cross multiply
    702,729.72x = 1,052,395.20 × 402,299.10
  4. Step 4: Simplify right side
    702,729.72x = 423,377,641,804.32
  5. Step 5: Solve for x
    x = 423,377,641,804.32/702,729.72
  6. Step 6: Final answer
    x = 602,475.79

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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.