Home / 921,223.18-1,381,834.76-359,864.02

Finding the Fourth Proportional to 921,223.18, 1,381,834.76 and 359,864.02

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Solution

The fourth proportional to 921,223.18, 1,381,834.76 and 359,864.02 is: 539,796.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,223.18 : 1,381,834.76 = 359,864.02 : x
  2. Step 2: Convert to fraction form
    921,223.18/1,381,834.76 = 359,864.02/x
  3. Step 3: Cross multiply
    921,223.18x = 1,381,834.76 × 359,864.02
  4. Step 4: Simplify right side
    921,223.18x = 497,272,606,900.84
  5. Step 5: Solve for x
    x = 497,272,606,900.84/921,223.18
  6. Step 6: Final answer
    x = 539,796.02

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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.