Home / 652,540.84-900,304.55-380,416.11

Finding the Fourth Proportional to 652,540.84, 900,304.55 and 380,416.11

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Solution

The fourth proportional to 652,540.84, 900,304.55 and 380,416.11 is: 524,856.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,540.84 : 900,304.55 = 380,416.11 : x
  2. Step 2: Convert to fraction form
    652,540.84/900,304.55 = 380,416.11/x
  3. Step 3: Cross multiply
    652,540.84x = 900,304.55 × 380,416.11
  4. Step 4: Simplify right side
    652,540.84x = 342,490,354,726.30
  5. Step 5: Solve for x
    x = 342,490,354,726.30/652,540.84
  6. Step 6: Final answer
    x = 524,856.58

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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.