Home / 807,045.89-1,209,941.33-522,134.46

Finding the Fourth Proportional to 807,045.89, 1,209,941.33 and 522,134.46

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Solution

The fourth proportional to 807,045.89, 1,209,941.33 and 522,134.46 is: 782,795.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,045.89 : 1,209,941.33 = 522,134.46 : x
  2. Step 2: Convert to fraction form
    807,045.89/1,209,941.33 = 522,134.46/x
  3. Step 3: Cross multiply
    807,045.89x = 1,209,941.33 × 522,134.46
  4. Step 4: Simplify right side
    807,045.89x = 631,752,060,360.56
  5. Step 5: Solve for x
    x = 631,752,060,360.56/807,045.89
  6. Step 6: Final answer
    x = 782,795.71

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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.