Home / 782,496.96-1,079,840.16-442,962.24

Finding the Fourth Proportional to 782,496.96, 1,079,840.16 and 442,962.24

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Solution

The fourth proportional to 782,496.96, 1,079,840.16 and 442,962.24 is: 611,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,496.96 : 1,079,840.16 = 442,962.24 : x
  2. Step 2: Convert to fraction form
    782,496.96/1,079,840.16 = 442,962.24/x
  3. Step 3: Cross multiply
    782,496.96x = 1,079,840.16 × 442,962.24
  4. Step 4: Simplify right side
    782,496.96x = 478,328,416,115.56
  5. Step 5: Solve for x
    x = 478,328,416,115.56/782,496.96
  6. Step 6: Final answer
    x = 611,284.70

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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.