Home / 709,599.29-1,064,731.10-310,188.42

Finding the Fourth Proportional to 709,599.29, 1,064,731.10 and 310,188.42

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Solution

The fourth proportional to 709,599.29, 1,064,731.10 and 310,188.42 is: 465,427.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,599.29 : 1,064,731.10 = 310,188.42 : x
  2. Step 2: Convert to fraction form
    709,599.29/1,064,731.10 = 310,188.42/x
  3. Step 3: Cross multiply
    709,599.29x = 1,064,731.10 × 310,188.42
  4. Step 4: Simplify right side
    709,599.29x = 330,267,256,082.92
  5. Step 5: Solve for x
    x = 330,267,256,082.92/709,599.29
  6. Step 6: Final answer
    x = 465,427.83

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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.