Home / 865,424.98-1,298,260.32-266,435.92

Finding the Fourth Proportional to 865,424.98, 1,298,260.32 and 266,435.92

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Solution

The fourth proportional to 865,424.98, 1,298,260.32 and 266,435.92 is: 399,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,424.98 : 1,298,260.32 = 266,435.92 : x
  2. Step 2: Convert to fraction form
    865,424.98/1,298,260.32 = 266,435.92/x
  3. Step 3: Cross multiply
    865,424.98x = 1,298,260.32 × 266,435.92
  4. Step 4: Simplify right side
    865,424.98x = 345,903,182,758.69
  5. Step 5: Solve for x
    x = 345,903,182,758.69/865,424.98
  6. Step 6: Final answer
    x = 399,691.70

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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.