Home / 747,486.64-1,031,207.96-457,110.90

Finding the Fourth Proportional to 747,486.64, 1,031,207.96 and 457,110.90

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Solution

The fourth proportional to 747,486.64, 1,031,207.96 and 457,110.90 is: 630,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,486.64 : 1,031,207.96 = 457,110.90 : x
  2. Step 2: Convert to fraction form
    747,486.64/1,031,207.96 = 457,110.90/x
  3. Step 3: Cross multiply
    747,486.64x = 1,031,207.96 × 457,110.90
  4. Step 4: Simplify right side
    747,486.64x = 471,376,398,682.76
  5. Step 5: Solve for x
    x = 471,376,398,682.76/747,486.64
  6. Step 6: Final answer
    x = 630,615.15

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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.