Home / 742,112.64-1,024,117.41-402,580.89

Finding the Fourth Proportional to 742,112.64, 1,024,117.41 and 402,580.89

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Solution

The fourth proportional to 742,112.64, 1,024,117.41 and 402,580.89 is: 555,562.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,112.64 : 1,024,117.41 = 402,580.89 : x
  2. Step 2: Convert to fraction form
    742,112.64/1,024,117.41 = 402,580.89/x
  3. Step 3: Cross multiply
    742,112.64x = 1,024,117.41 × 402,580.89
  4. Step 4: Simplify right side
    742,112.64x = 412,290,098,382.30
  5. Step 5: Solve for x
    x = 412,290,098,382.30/742,112.64
  6. Step 6: Final answer
    x = 555,562.70

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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.