Home / 527,170.68-727,507.98-300,837.24

Finding the Fourth Proportional to 527,170.68, 727,507.98 and 300,837.24

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Solution

The fourth proportional to 527,170.68, 727,507.98 and 300,837.24 is: 415,162.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,170.68 : 727,507.98 = 300,837.24 : x
  2. Step 2: Convert to fraction form
    527,170.68/727,507.98 = 300,837.24/x
  3. Step 3: Cross multiply
    527,170.68x = 727,507.98 × 300,837.24
  4. Step 4: Simplify right side
    527,170.68x = 218,861,492,781.18
  5. Step 5: Solve for x
    x = 218,861,492,781.18/527,170.68
  6. Step 6: Final answer
    x = 415,162.49

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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.