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Finding the Fourth Proportional to 594,305.40, 891,458.10 and 542,983.80

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Solution

The fourth proportional to 594,305.40, 891,458.10 and 542,983.80 is: 814,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,305.40 : 891,458.10 = 542,983.80 : x
  2. Step 2: Convert to fraction form
    594,305.40/891,458.10 = 542,983.80/x
  3. Step 3: Cross multiply
    594,305.40x = 891,458.10 × 542,983.80
  4. Step 4: Simplify right side
    594,305.40x = 484,047,306,678.78
  5. Step 5: Solve for x
    x = 484,047,306,678.78/594,305.40
  6. Step 6: Final answer
    x = 814,475.70

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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.