Home / 750,737.68-1,036,034.84-428,441.36

Finding the Fourth Proportional to 750,737.68, 1,036,034.84 and 428,441.36

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Solution

The fourth proportional to 750,737.68, 1,036,034.84 and 428,441.36 is: 591,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,737.68 : 1,036,034.84 = 428,441.36 : x
  2. Step 2: Convert to fraction form
    750,737.68/1,036,034.84 = 428,441.36/x
  3. Step 3: Cross multiply
    750,737.68x = 1,036,034.84 × 428,441.36
  4. Step 4: Simplify right side
    750,737.68x = 443,880,175,856.98
  5. Step 5: Solve for x
    x = 443,880,175,856.98/750,737.68
  6. Step 6: Final answer
    x = 591,258.69

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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.