Home / 887,989.14-1,225,400.13-485,572.50

Finding the Fourth Proportional to 887,989.14, 1,225,400.13 and 485,572.50

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Solution

The fourth proportional to 887,989.14, 1,225,400.13 and 485,572.50 is: 670,076.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,989.14 : 1,225,400.13 = 485,572.50 : x
  2. Step 2: Convert to fraction form
    887,989.14/1,225,400.13 = 485,572.50/x
  3. Step 3: Cross multiply
    887,989.14x = 1,225,400.13 × 485,572.50
  4. Step 4: Simplify right side
    887,989.14x = 595,020,604,624.43
  5. Step 5: Solve for x
    x = 595,020,604,624.43/887,989.14
  6. Step 6: Final answer
    x = 670,076.44

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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.