Home / 748,834.47-1,124,248.16-394,097.60

Finding the Fourth Proportional to 748,834.47, 1,124,248.16 and 394,097.60

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Solution

The fourth proportional to 748,834.47, 1,124,248.16 and 394,097.60 is: 591,670.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,834.47 : 1,124,248.16 = 394,097.60 : x
  2. Step 2: Convert to fraction form
    748,834.47/1,124,248.16 = 394,097.60/x
  3. Step 3: Cross multiply
    748,834.47x = 1,124,248.16 × 394,097.60
  4. Step 4: Simplify right side
    748,834.47x = 443,063,496,039.18
  5. Step 5: Solve for x
    x = 443,063,496,039.18/748,834.47
  6. Step 6: Final answer
    x = 591,670.81

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1.5x scale

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.