Home / 914,984.16-1,372,213.84-315,789.92

Finding the Fourth Proportional to 914,984.16, 1,372,213.84 and 315,789.92

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Solution

The fourth proportional to 914,984.16, 1,372,213.84 and 315,789.92 is: 473,594.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,984.16 : 1,372,213.84 = 315,789.92 : x
  2. Step 2: Convert to fraction form
    914,984.16/1,372,213.84 = 315,789.92/x
  3. Step 3: Cross multiply
    914,984.16x = 1,372,213.84 × 315,789.92
  4. Step 4: Simplify right side
    914,984.16x = 433,331,298,756.49
  5. Step 5: Solve for x
    x = 433,331,298,756.49/914,984.16
  6. Step 6: Final answer
    x = 473,594.32

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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.