Home / 872,901.43-1,204,592.11-490,928.11

Finding the Fourth Proportional to 872,901.43, 1,204,592.11 and 490,928.11

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Solution

The fourth proportional to 872,901.43, 1,204,592.11 and 490,928.11 is: 677,474.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,901.43 : 1,204,592.11 = 490,928.11 : x
  2. Step 2: Convert to fraction form
    872,901.43/1,204,592.11 = 490,928.11/x
  3. Step 3: Cross multiply
    872,901.43x = 1,204,592.11 × 490,928.11
  4. Step 4: Simplify right side
    872,901.43x = 591,368,127,883.21
  5. Step 5: Solve for x
    x = 591,368,127,883.21/872,901.43
  6. Step 6: Final answer
    x = 677,474.12

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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.