Home / 988,623.20-1,482,934.80-483,426.20

Finding the Fourth Proportional to 988,623.20, 1,482,934.80 and 483,426.20

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Solution

The fourth proportional to 988,623.20, 1,482,934.80 and 483,426.20 is: 725,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,623.20 : 1,482,934.80 = 483,426.20 : x
  2. Step 2: Convert to fraction form
    988,623.20/1,482,934.80 = 483,426.20/x
  3. Step 3: Cross multiply
    988,623.20x = 1,482,934.80 × 483,426.20
  4. Step 4: Simplify right side
    988,623.20x = 716,889,535,211.76
  5. Step 5: Solve for x
    x = 716,889,535,211.76/988,623.20
  6. Step 6: Final answer
    x = 725,139.30

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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.