Home / 840,809.30-1,160,320.05-458,844.50

Finding the Fourth Proportional to 840,809.30, 1,160,320.05 and 458,844.50

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Solution

The fourth proportional to 840,809.30, 1,160,320.05 and 458,844.50 is: 633,207.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,809.30 : 1,160,320.05 = 458,844.50 : x
  2. Step 2: Convert to fraction form
    840,809.30/1,160,320.05 = 458,844.50/x
  3. Step 3: Cross multiply
    840,809.30x = 1,160,320.05 × 458,844.50
  4. Step 4: Simplify right side
    840,809.30x = 532,406,473,182.23
  5. Step 5: Solve for x
    x = 532,406,473,182.23/840,809.30
  6. Step 6: Final answer
    x = 633,207.17

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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.