Home / 747,370.50-1,031,393.16-407,860.62

Finding the Fourth Proportional to 747,370.50, 1,031,393.16 and 407,860.62

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Solution

The fourth proportional to 747,370.50, 1,031,393.16 and 407,860.62 is: 562,859.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,370.50 : 1,031,393.16 = 407,860.62 : x
  2. Step 2: Convert to fraction form
    747,370.50/1,031,393.16 = 407,860.62/x
  3. Step 3: Cross multiply
    747,370.50x = 1,031,393.16 × 407,860.62
  4. Step 4: Simplify right side
    747,370.50x = 420,664,653,701.36
  5. Step 5: Solve for x
    x = 420,664,653,701.36/747,370.50
  6. Step 6: Final answer
    x = 562,859.59

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Double scale
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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.