Home / 520,844.28-781,328.88-183,815.28

Finding the Fourth Proportional to 520,844.28, 781,328.88 and 183,815.28

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Solution

The fourth proportional to 520,844.28, 781,328.88 and 183,815.28 is: 275,744.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,844.28 : 781,328.88 = 183,815.28 : x
  2. Step 2: Convert to fraction form
    520,844.28/781,328.88 = 183,815.28/x
  3. Step 3: Cross multiply
    520,844.28x = 781,328.88 × 183,815.28
  4. Step 4: Simplify right side
    520,844.28x = 143,620,186,849.29
  5. Step 5: Solve for x
    x = 143,620,186,849.29/520,844.28
  6. Step 6: Final answer
    x = 275,744.96

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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.