Home / 891,722.16-1,337,302.23-292,543.71

Finding the Fourth Proportional to 891,722.16, 1,337,302.23 and 292,543.71

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Solution

The fourth proportional to 891,722.16, 1,337,302.23 and 292,543.71 is: 438,723.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,722.16 : 1,337,302.23 = 292,543.71 : x
  2. Step 2: Convert to fraction form
    891,722.16/1,337,302.23 = 292,543.71/x
  3. Step 3: Cross multiply
    891,722.16x = 1,337,302.23 × 292,543.71
  4. Step 4: Simplify right side
    891,722.16x = 391,219,355,755.47
  5. Step 5: Solve for x
    x = 391,219,355,755.47/891,722.16
  6. Step 6: Final answer
    x = 438,723.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.