Home / 959,558.76-1,439,836.28-391,356.72

Finding the Fourth Proportional to 959,558.76, 1,439,836.28 and 391,356.72

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Solution

The fourth proportional to 959,558.76, 1,439,836.28 and 391,356.72 is: 587,238.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,558.76 : 1,439,836.28 = 391,356.72 : x
  2. Step 2: Convert to fraction form
    959,558.76/1,439,836.28 = 391,356.72/x
  3. Step 3: Cross multiply
    959,558.76x = 1,439,836.28 × 391,356.72
  4. Step 4: Simplify right side
    959,558.76x = 563,489,601,921.02
  5. Step 5: Solve for x
    x = 563,489,601,921.02/959,558.76
  6. Step 6: Final answer
    x = 587,238.24

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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.