Home / 650,890.40-898,125.12-364,422.56

Finding the Fourth Proportional to 650,890.40, 898,125.12 and 364,422.56

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Solution

The fourth proportional to 650,890.40, 898,125.12 and 364,422.56 is: 502,845.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,890.40 : 898,125.12 = 364,422.56 : x
  2. Step 2: Convert to fraction form
    650,890.40/898,125.12 = 364,422.56/x
  3. Step 3: Cross multiply
    650,890.40x = 898,125.12 × 364,422.56
  4. Step 4: Simplify right side
    650,890.40x = 327,297,055,430.71
  5. Step 5: Solve for x
    x = 327,297,055,430.71/650,890.40
  6. Step 6: Final answer
    x = 502,845.11

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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.