Home / 742,488.32-1,024,637.28-402,956.96

Finding the Fourth Proportional to 742,488.32, 1,024,637.28 and 402,956.96

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Solution

The fourth proportional to 742,488.32, 1,024,637.28 and 402,956.96 is: 556,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,488.32 : 1,024,637.28 = 402,956.96 : x
  2. Step 2: Convert to fraction form
    742,488.32/1,024,637.28 = 402,956.96/x
  3. Step 3: Cross multiply
    742,488.32x = 1,024,637.28 × 402,956.96
  4. Step 4: Simplify right side
    742,488.32x = 412,884,723,451.47
  5. Step 5: Solve for x
    x = 412,884,723,451.47/742,488.32
  6. Step 6: Final answer
    x = 556,082.45

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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.