Home / 689,886.72-1,033,598.88-374,142.24

Finding the Fourth Proportional to 689,886.72, 1,033,598.88 and 374,142.24

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Solution

The fourth proportional to 689,886.72, 1,033,598.88 and 374,142.24 is: 560,545.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,886.72 : 1,033,598.88 = 374,142.24 : x
  2. Step 2: Convert to fraction form
    689,886.72/1,033,598.88 = 374,142.24/x
  3. Step 3: Cross multiply
    689,886.72x = 1,033,598.88 × 374,142.24
  4. Step 4: Simplify right side
    689,886.72x = 386,713,000,224.69
  5. Step 5: Solve for x
    x = 386,713,000,224.69/689,886.72
  6. Step 6: Final answer
    x = 560,545.65

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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.