Home / 887,550.40-1,330,997.55-288,531.10

Finding the Fourth Proportional to 887,550.40, 1,330,997.55 and 288,531.10

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Solution

The fourth proportional to 887,550.40, 1,330,997.55 and 288,531.10 is: 432,690.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,550.40 : 1,330,997.55 = 288,531.10 : x
  2. Step 2: Convert to fraction form
    887,550.40/1,330,997.55 = 288,531.10/x
  3. Step 3: Cross multiply
    887,550.40x = 1,330,997.55 × 288,531.10
  4. Step 4: Simplify right side
    887,550.40x = 384,034,187,198.81
  5. Step 5: Solve for x
    x = 384,034,187,198.81/887,550.40
  6. Step 6: Final answer
    x = 432,690.01

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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.