Home / 667,043.89-1,000,547.70-187,275.70

Finding the Fourth Proportional to 667,043.89, 1,000,547.70 and 187,275.70

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Solution

The fourth proportional to 667,043.89, 1,000,547.70 and 187,275.70 is: 280,908.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,043.89 : 1,000,547.70 = 187,275.70 : x
  2. Step 2: Convert to fraction form
    667,043.89/1,000,547.70 = 187,275.70/x
  3. Step 3: Cross multiply
    667,043.89x = 1,000,547.70 × 187,275.70
  4. Step 4: Simplify right side
    667,043.89x = 187,378,270,900.89
  5. Step 5: Solve for x
    x = 187,378,270,900.89/667,043.89
  6. Step 6: Final answer
    x = 280,908.46

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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.