Home / 840,382.68-1,159,735.50-458,411.16

Finding the Fourth Proportional to 840,382.68, 1,159,735.50 and 458,411.16

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Solution

The fourth proportional to 840,382.68, 1,159,735.50 and 458,411.16 is: 632,611.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,382.68 : 1,159,735.50 = 458,411.16 : x
  2. Step 2: Convert to fraction form
    840,382.68/1,159,735.50 = 458,411.16/x
  3. Step 3: Cross multiply
    840,382.68x = 1,159,735.50 × 458,411.16
  4. Step 4: Simplify right side
    840,382.68x = 531,635,695,848.18
  5. Step 5: Solve for x
    x = 531,635,695,848.18/840,382.68
  6. Step 6: Final answer
    x = 632,611.44

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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.