Home / 926,972.10-1,390,458.15-365,933.70

Finding the Fourth Proportional to 926,972.10, 1,390,458.15 and 365,933.70

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Solution

The fourth proportional to 926,972.10, 1,390,458.15 and 365,933.70 is: 548,900.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,972.10 : 1,390,458.15 = 365,933.70 : x
  2. Step 2: Convert to fraction form
    926,972.10/1,390,458.15 = 365,933.70/x
  3. Step 3: Cross multiply
    926,972.10x = 1,390,458.15 × 365,933.70
  4. Step 4: Simplify right side
    926,972.10x = 508,815,495,524.66
  5. Step 5: Solve for x
    x = 508,815,495,524.66/926,972.10
  6. Step 6: Final answer
    x = 548,900.55

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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.