Home / 566,210.50-781,376.03-311,567.16

Finding the Fourth Proportional to 566,210.50, 781,376.03 and 311,567.16

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Solution

The fourth proportional to 566,210.50, 781,376.03 and 311,567.16 is: 429,965.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,210.50 : 781,376.03 = 311,567.16 : x
  2. Step 2: Convert to fraction form
    566,210.50/781,376.03 = 311,567.16/x
  3. Step 3: Cross multiply
    566,210.50x = 781,376.03 × 311,567.16
  4. Step 4: Simplify right side
    566,210.50x = 243,451,110,559.18
  5. Step 5: Solve for x
    x = 243,451,110,559.18/566,210.50
  6. Step 6: Final answer
    x = 429,965.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.