Home / 887,345.80-1,331,018.70-710,198.80

Finding the Fourth Proportional to 887,345.80, 1,331,018.70 and 710,198.80

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Solution

The fourth proportional to 887,345.80, 1,331,018.70 and 710,198.80 is: 1,065,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,345.80 : 1,331,018.70 = 710,198.80 : x
  2. Step 2: Convert to fraction form
    887,345.80/1,331,018.70 = 710,198.80/x
  3. Step 3: Cross multiply
    887,345.80x = 1,331,018.70 × 710,198.80
  4. Step 4: Simplify right side
    887,345.80x = 945,287,883,517.56
  5. Step 5: Solve for x
    x = 945,287,883,517.56/887,345.80
  6. Step 6: Final answer
    x = 1,065,298.20

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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.