Home / 672,158.84-927,287.76-400,074.18

Finding the Fourth Proportional to 672,158.84, 927,287.76 and 400,074.18

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Solution

The fourth proportional to 672,158.84, 927,287.76 and 400,074.18 is: 551,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,158.84 : 927,287.76 = 400,074.18 : x
  2. Step 2: Convert to fraction form
    672,158.84/927,287.76 = 400,074.18/x
  3. Step 3: Cross multiply
    672,158.84x = 927,287.76 × 400,074.18
  4. Step 4: Simplify right side
    672,158.84x = 370,983,890,206.04
  5. Step 5: Solve for x
    x = 370,983,890,206.04/672,158.84
  6. Step 6: Final answer
    x = 551,928.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.