Home / 747,613.32-1,031,706.11-408,081.57

Finding the Fourth Proportional to 747,613.32, 1,031,706.11 and 408,081.57

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Solution

The fourth proportional to 747,613.32, 1,031,706.11 and 408,081.57 is: 563,152.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,613.32 : 1,031,706.11 = 408,081.57 : x
  2. Step 2: Convert to fraction form
    747,613.32/1,031,706.11 = 408,081.57/x
  3. Step 3: Cross multiply
    747,613.32x = 1,031,706.11 × 408,081.57
  4. Step 4: Simplify right side
    747,613.32x = 421,020,247,106.99
  5. Step 5: Solve for x
    x = 421,020,247,106.99/747,613.32
  6. Step 6: Final answer
    x = 563,152.42

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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.