Home / 921,197.81-1,381,796.73-359,838.65

Finding the Fourth Proportional to 921,197.81, 1,381,796.73 and 359,838.65

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Solution

The fourth proportional to 921,197.81, 1,381,796.73 and 359,838.65 is: 539,757.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,197.81 : 1,381,796.73 = 359,838.65 : x
  2. Step 2: Convert to fraction form
    921,197.81/1,381,796.73 = 359,838.65/x
  3. Step 3: Cross multiply
    921,197.81x = 1,381,796.73 × 359,838.65
  4. Step 4: Simplify right side
    921,197.81x = 497,223,862,988.63
  5. Step 5: Solve for x
    x = 497,223,862,988.63/921,197.81
  6. Step 6: Final answer
    x = 539,757.98

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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.