Home / 668,377.17-1,001,398.95-556,774.56

Finding the Fourth Proportional to 668,377.17, 1,001,398.95 and 556,774.56

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Solution

The fourth proportional to 668,377.17, 1,001,398.95 and 556,774.56 is: 834,189.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,377.17 : 1,001,398.95 = 556,774.56 : x
  2. Step 2: Convert to fraction form
    668,377.17/1,001,398.95 = 556,774.56/x
  3. Step 3: Cross multiply
    668,377.17x = 1,001,398.95 × 556,774.56
  4. Step 4: Simplify right side
    668,377.17x = 557,553,459,770.71
  5. Step 5: Solve for x
    x = 557,553,459,770.71/668,377.17
  6. Step 6: Final answer
    x = 834,189.86

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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.