Home / 747,479.14-1,031,197.62-457,103.40

Finding the Fourth Proportional to 747,479.14, 1,031,197.62 and 457,103.40

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Solution

The fourth proportional to 747,479.14, 1,031,197.62 and 457,103.40 is: 630,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,479.14 : 1,031,197.62 = 457,103.40 : x
  2. Step 2: Convert to fraction form
    747,479.14/1,031,197.62 = 457,103.40/x
  3. Step 3: Cross multiply
    747,479.14x = 1,031,197.62 × 457,103.40
  4. Step 4: Simplify right side
    747,479.14x = 471,363,938,173.91
  5. Step 5: Solve for x
    x = 471,363,938,173.91/747,479.14
  6. Step 6: Final answer
    x = 630,604.81

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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.