Home / 887,189.08-1,331,164.86-288,333.76

Finding the Fourth Proportional to 887,189.08, 1,331,164.86 and 288,333.76

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Solution

The fourth proportional to 887,189.08, 1,331,164.86 and 288,333.76 is: 432,624.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,189.08 : 1,331,164.86 = 288,333.76 : x
  2. Step 2: Convert to fraction form
    887,189.08/1,331,164.86 = 288,333.76/x
  3. Step 3: Cross multiply
    887,189.08x = 1,331,164.86 × 288,333.76
  4. Step 4: Simplify right side
    887,189.08x = 383,819,769,263.67
  5. Step 5: Solve for x
    x = 383,819,769,263.67/887,189.08
  6. Step 6: Final answer
    x = 432,624.54

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1.5x scale

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.