Home / 781,025.04-1,170,200.10-426,288

Finding the Fourth Proportional to 781,025.04, 1,170,200.10 and 426,288

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Solution

The fourth proportional to 781,025.04, 1,170,200.10 and 426,288 is: 638,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,025.04 : 1,170,200.10 = 426,288 : x
  2. Step 2: Convert to fraction form
    781,025.04/1,170,200.10 = 426,288/x
  3. Step 3: Cross multiply
    781,025.04x = 1,170,200.10 × 426,288
  4. Step 4: Simplify right side
    781,025.04x = 498,842,260,228.80
  5. Step 5: Solve for x
    x = 498,842,260,228.80/781,025.04
  6. Step 6: Final answer
    x = 638,702.01

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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.