Home / 665,010.30-997,849.17-310,052.10

Finding the Fourth Proportional to 665,010.30, 997,849.17 and 310,052.10

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Solution

The fourth proportional to 665,010.30, 997,849.17 and 310,052.10 is: 465,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,010.30 : 997,849.17 = 310,052.10 : x
  2. Step 2: Convert to fraction form
    665,010.30/997,849.17 = 310,052.10/x
  3. Step 3: Cross multiply
    665,010.30x = 997,849.17 × 310,052.10
  4. Step 4: Simplify right side
    665,010.30x = 309,385,230,641.76
  5. Step 5: Solve for x
    x = 309,385,230,641.76/665,010.30
  6. Step 6: Final answer
    x = 465,233.74

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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.