Home / 747,483.64-1,031,203.82-457,107.90

Finding the Fourth Proportional to 747,483.64, 1,031,203.82 and 457,107.90

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Solution

The fourth proportional to 747,483.64, 1,031,203.82 and 457,107.90 is: 630,611.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,483.64 : 1,031,203.82 = 457,107.90 : x
  2. Step 2: Convert to fraction form
    747,483.64/1,031,203.82 = 457,107.90/x
  3. Step 3: Cross multiply
    747,483.64x = 1,031,203.82 × 457,107.90
  4. Step 4: Simplify right side
    747,483.64x = 471,371,412,632.18
  5. Step 5: Solve for x
    x = 471,371,412,632.18/747,483.64
  6. Step 6: Final answer
    x = 630,611.01

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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.