Home / 747,451.62-1,031,468.85-407,922.30

Finding the Fourth Proportional to 747,451.62, 1,031,468.85 and 407,922.30

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Solution

The fourth proportional to 747,451.62, 1,031,468.85 and 407,922.30 is: 562,924.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,451.62 : 1,031,468.85 = 407,922.30 : x
  2. Step 2: Convert to fraction form
    747,451.62/1,031,468.85 = 407,922.30/x
  3. Step 3: Cross multiply
    747,451.62x = 1,031,468.85 × 407,922.30
  4. Step 4: Simplify right side
    747,451.62x = 420,759,145,670.36
  5. Step 5: Solve for x
    x = 420,759,145,670.36/747,451.62
  6. Step 6: Final answer
    x = 562,924.92

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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.