Home / 840,869.10-1,261,697.31-367,492.95

Finding the Fourth Proportional to 840,869.10, 1,261,697.31 and 367,492.95

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Solution

The fourth proportional to 840,869.10, 1,261,697.31 and 367,492.95 is: 551,411.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,869.10 : 1,261,697.31 = 367,492.95 : x
  2. Step 2: Convert to fraction form
    840,869.10/1,261,697.31 = 367,492.95/x
  3. Step 3: Cross multiply
    840,869.10x = 1,261,697.31 × 367,492.95
  4. Step 4: Simplify right side
    840,869.10x = 463,664,866,458.97
  5. Step 5: Solve for x
    x = 463,664,866,458.97/840,869.10
  6. Step 6: Final answer
    x = 551,411.47

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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.