Home / 999,191.50-1,378,884.30-546,482.50

Finding the Fourth Proportional to 999,191.50, 1,378,884.30 and 546,482.50

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Solution

The fourth proportional to 999,191.50, 1,378,884.30 and 546,482.50 is: 754,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,191.50 : 1,378,884.30 = 546,482.50 : x
  2. Step 2: Convert to fraction form
    999,191.50/1,378,884.30 = 546,482.50/x
  3. Step 3: Cross multiply
    999,191.50x = 1,378,884.30 × 546,482.50
  4. Step 4: Simplify right side
    999,191.50x = 753,536,139,474.75
  5. Step 5: Solve for x
    x = 753,536,139,474.75/999,191.50
  6. Step 6: Final answer
    x = 754,145.87

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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.