Home / 965,728.11-1,332,642.20-536,008.35

Finding the Fourth Proportional to 965,728.11, 1,332,642.20 and 536,008.35

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Solution

The fourth proportional to 965,728.11, 1,332,642.20 and 536,008.35 is: 739,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,728.11 : 1,332,642.20 = 536,008.35 : x
  2. Step 2: Convert to fraction form
    965,728.11/1,332,642.20 = 536,008.35/x
  3. Step 3: Cross multiply
    965,728.11x = 1,332,642.20 × 536,008.35
  4. Step 4: Simplify right side
    965,728.11x = 714,307,344,082.33
  5. Step 5: Solve for x
    x = 714,307,344,082.33/965,728.11
  6. Step 6: Final answer
    x = 739,656.78

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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.