Home / 967,990.10-1,335,909.00-538,353.95

Finding the Fourth Proportional to 967,990.10, 1,335,909.00 and 538,353.95

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Solution

The fourth proportional to 967,990.10, 1,335,909.00 and 538,353.95 is: 742,974.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,990.10 : 1,335,909.00 = 538,353.95 : x
  2. Step 2: Convert to fraction form
    967,990.10/1,335,909.00 = 538,353.95/x
  3. Step 3: Cross multiply
    967,990.10x = 1,335,909.00 × 538,353.95
  4. Step 4: Simplify right side
    967,990.10x = 719,191,882,329.83
  5. Step 5: Solve for x
    x = 719,191,882,329.83/967,990.10
  6. Step 6: Final answer
    x = 742,974.42

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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.