Home / 908,140.48-1,251,924.56-635,363.28

Finding the Fourth Proportional to 908,140.48, 1,251,924.56 and 635,363.28

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Solution

The fourth proportional to 908,140.48, 1,251,924.56 and 635,363.28 is: 875,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,140.48 : 1,251,924.56 = 635,363.28 : x
  2. Step 2: Convert to fraction form
    908,140.48/1,251,924.56 = 635,363.28/x
  3. Step 3: Cross multiply
    908,140.48x = 1,251,924.56 × 635,363.28
  4. Step 4: Simplify right side
    908,140.48x = 795,426,894,754.16
  5. Step 5: Solve for x
    x = 795,426,894,754.16/908,140.48
  6. Step 6: Final answer
    x = 875,885.30

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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.