Home / 709,337.12-1,064,487.63-288,689.54

Finding the Fourth Proportional to 709,337.12, 1,064,487.63 and 288,689.54

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Solution

The fourth proportional to 709,337.12, 1,064,487.63 and 288,689.54 is: 433,230.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,337.12 : 1,064,487.63 = 288,689.54 : x
  2. Step 2: Convert to fraction form
    709,337.12/1,064,487.63 = 288,689.54/x
  3. Step 3: Cross multiply
    709,337.12x = 1,064,487.63 × 288,689.54
  4. Step 4: Simplify right side
    709,337.12x = 307,306,444,240.39
  5. Step 5: Solve for x
    x = 307,306,444,240.39/709,337.12
  6. Step 6: Final answer
    x = 433,230.46

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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.