Home / 803,612.52-1,205,602.88-348,280.17

Finding the Fourth Proportional to 803,612.52, 1,205,602.88 and 348,280.17

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Solution

The fourth proportional to 803,612.52, 1,205,602.88 and 348,280.17 is: 522,500.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,612.52 : 1,205,602.88 = 348,280.17 : x
  2. Step 2: Convert to fraction form
    803,612.52/1,205,602.88 = 348,280.17/x
  3. Step 3: Cross multiply
    803,612.52x = 1,205,602.88 × 348,280.17
  4. Step 4: Simplify right side
    803,612.52x = 419,887,574,257.49
  5. Step 5: Solve for x
    x = 419,887,574,257.49/803,612.52
  6. Step 6: Final answer
    x = 522,500.04

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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.