Home / 876,251.60-1,313,648.40-371,200.40

Finding the Fourth Proportional to 876,251.60, 1,313,648.40 and 371,200.40

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Solution

The fourth proportional to 876,251.60, 1,313,648.40 and 371,200.40 is: 556,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,251.60 : 1,313,648.40 = 371,200.40 : x
  2. Step 2: Convert to fraction form
    876,251.60/1,313,648.40 = 371,200.40/x
  3. Step 3: Cross multiply
    876,251.60x = 1,313,648.40 × 371,200.40
  4. Step 4: Simplify right side
    876,251.60x = 487,626,811,539.36
  5. Step 5: Solve for x
    x = 487,626,811,539.36/876,251.60
  6. Step 6: Final answer
    x = 556,491.78

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1.5x scale

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.