Home / 524,811.20-787,280.70-187,887.20

Finding the Fourth Proportional to 524,811.20, 787,280.70 and 187,887.20

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Solution

The fourth proportional to 524,811.20, 787,280.70 and 187,887.20 is: 281,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,811.20 : 787,280.70 = 187,887.20 : x
  2. Step 2: Convert to fraction form
    524,811.20/787,280.70 = 187,887.20/x
  3. Step 3: Cross multiply
    524,811.20x = 787,280.70 × 187,887.20
  4. Step 4: Simplify right side
    524,811.20x = 147,919,966,337.04
  5. Step 5: Solve for x
    x = 147,919,966,337.04/524,811.20
  6. Step 6: Final answer
    x = 281,853.68

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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.