Home / 887,750.08-1,331,751.48-288,518.56

Finding the Fourth Proportional to 887,750.08, 1,331,751.48 and 288,518.56

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Solution

The fourth proportional to 887,750.08, 1,331,751.48 and 288,518.56 is: 432,818.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,750.08 : 1,331,751.48 = 288,518.56 : x
  2. Step 2: Convert to fraction form
    887,750.08/1,331,751.48 = 288,518.56/x
  3. Step 3: Cross multiply
    887,750.08x = 1,331,751.48 × 288,518.56
  4. Step 4: Simplify right side
    887,750.08x = 384,235,019,287.47
  5. Step 5: Solve for x
    x = 384,235,019,287.47/887,750.08
  6. Step 6: Final answer
    x = 432,818.91

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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.