Home / 709,598.72-1,064,396.16-288,775.04

Finding the Fourth Proportional to 709,598.72, 1,064,396.16 and 288,775.04

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Solution

The fourth proportional to 709,598.72, 1,064,396.16 and 288,775.04 is: 433,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,598.72 : 1,064,396.16 = 288,775.04 : x
  2. Step 2: Convert to fraction form
    709,598.72/1,064,396.16 = 288,775.04/x
  3. Step 3: Cross multiply
    709,598.72x = 1,064,396.16 × 288,775.04
  4. Step 4: Simplify right side
    709,598.72x = 307,371,043,679.85
  5. Step 5: Solve for x
    x = 307,371,043,679.85/709,598.72
  6. Step 6: Final answer
    x = 433,161.78

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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.