Home / 753,574.28-1,039,675.28-466,989.80

Finding the Fourth Proportional to 753,574.28, 1,039,675.28 and 466,989.80

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Solution

The fourth proportional to 753,574.28, 1,039,675.28 and 466,989.80 is: 644,286.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,574.28 : 1,039,675.28 = 466,989.80 : x
  2. Step 2: Convert to fraction form
    753,574.28/1,039,675.28 = 466,989.80/x
  3. Step 3: Cross multiply
    753,574.28x = 1,039,675.28 × 466,989.80
  4. Step 4: Simplify right side
    753,574.28x = 485,517,747,041.24
  5. Step 5: Solve for x
    x = 485,517,747,041.24/753,574.28
  6. Step 6: Final answer
    x = 644,286.52

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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.