Home / 914,734.12-1,372,319.16-315,700.44

Finding the Fourth Proportional to 914,734.12, 1,372,319.16 and 315,700.44

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Solution

The fourth proportional to 914,734.12, 1,372,319.16 and 315,700.44 is: 473,625.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,734.12 : 1,372,319.16 = 315,700.44 : x
  2. Step 2: Convert to fraction form
    914,734.12/1,372,319.16 = 315,700.44/x
  3. Step 3: Cross multiply
    914,734.12x = 1,372,319.16 × 315,700.44
  4. Step 4: Simplify right side
    914,734.12x = 433,241,762,632.43
  5. Step 5: Solve for x
    x = 433,241,762,632.43/914,734.12
  6. Step 6: Final answer
    x = 473,625.89

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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.