Home / 749,144.47-1,034,100.50-491,038.04

Finding the Fourth Proportional to 749,144.47, 1,034,100.50 and 491,038.04

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Solution

The fourth proportional to 749,144.47, 1,034,100.50 and 491,038.04 is: 677,816.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,144.47 : 1,034,100.50 = 491,038.04 : x
  2. Step 2: Convert to fraction form
    749,144.47/1,034,100.50 = 491,038.04/x
  3. Step 3: Cross multiply
    749,144.47x = 1,034,100.50 × 491,038.04
  4. Step 4: Simplify right side
    749,144.47x = 507,782,680,227.83
  5. Step 5: Solve for x
    x = 507,782,680,227.83/749,144.47
  6. Step 6: Final answer
    x = 677,816.77

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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.