Home / 805,474.68-1,207,459.53-272,624.28

Finding the Fourth Proportional to 805,474.68, 1,207,459.53 and 272,624.28

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Solution

The fourth proportional to 805,474.68, 1,207,459.53 and 272,624.28 is: 408,681.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,474.68 : 1,207,459.53 = 272,624.28 : x
  2. Step 2: Convert to fraction form
    805,474.68/1,207,459.53 = 272,624.28/x
  3. Step 3: Cross multiply
    805,474.68x = 1,207,459.53 × 272,624.28
  4. Step 4: Simplify right side
    805,474.68x = 329,182,784,995.39
  5. Step 5: Solve for x
    x = 329,182,784,995.39/805,474.68
  6. Step 6: Final answer
    x = 408,681.73

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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.