Home / 887,288.40-1,330,604.55-288,269.10

Finding the Fourth Proportional to 887,288.40, 1,330,604.55 and 288,269.10

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Solution

The fourth proportional to 887,288.40, 1,330,604.55 and 288,269.10 is: 432,297.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,288.40 : 1,330,604.55 = 288,269.10 : x
  2. Step 2: Convert to fraction form
    887,288.40/1,330,604.55 = 288,269.10/x
  3. Step 3: Cross multiply
    887,288.40x = 1,330,604.55 × 288,269.10
  4. Step 4: Simplify right side
    887,288.40x = 383,572,176,084.41
  5. Step 5: Solve for x
    x = 383,572,176,084.41/887,288.40
  6. Step 6: Final answer
    x = 432,297.07

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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.