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Finding the Fourth Proportional to 652,680.08, 900,755.52 and 380,835.56

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Solution

The fourth proportional to 652,680.08, 900,755.52 and 380,835.56 is: 525,586.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,680.08 : 900,755.52 = 380,835.56 : x
  2. Step 2: Convert to fraction form
    652,680.08/900,755.52 = 380,835.56/x
  3. Step 3: Cross multiply
    652,680.08x = 900,755.52 × 380,835.56
  4. Step 4: Simplify right side
    652,680.08x = 343,039,732,882.29
  5. Step 5: Solve for x
    x = 343,039,732,882.29/652,680.08
  6. Step 6: Final answer
    x = 525,586.34

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1.5x scale

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.