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Finding the Fourth Proportional to 553,350.20, 830,025.30 and 460,038.20

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Solution

The fourth proportional to 553,350.20, 830,025.30 and 460,038.20 is: 690,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,350.20 : 830,025.30 = 460,038.20 : x
  2. Step 2: Convert to fraction form
    553,350.20/830,025.30 = 460,038.20/x
  3. Step 3: Cross multiply
    553,350.20x = 830,025.30 × 460,038.20
  4. Step 4: Simplify right side
    553,350.20x = 381,843,344,966.46
  5. Step 5: Solve for x
    x = 381,843,344,966.46/553,350.20
  6. Step 6: Final answer
    x = 690,057.30

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Similar ratio
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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.