Home / 747,613.20-1,031,705.94-408,081.45

Finding the Fourth Proportional to 747,613.20, 1,031,705.94 and 408,081.45

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Solution

The fourth proportional to 747,613.20, 1,031,705.94 and 408,081.45 is: 563,152.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,613.20 : 1,031,705.94 = 408,081.45 : x
  2. Step 2: Convert to fraction form
    747,613.20/1,031,705.94 = 408,081.45/x
  3. Step 3: Cross multiply
    747,613.20x = 1,031,705.94 × 408,081.45
  4. Step 4: Simplify right side
    747,613.20x = 421,020,055,968.81
  5. Step 5: Solve for x
    x = 421,020,055,968.81/747,613.20
  6. Step 6: Final answer
    x = 563,152.25

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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.