Home / 887,828.40-1,330,340.04-720,799.92

Finding the Fourth Proportional to 887,828.40, 1,330,340.04 and 720,799.92

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Solution

The fourth proportional to 887,828.40, 1,330,340.04 and 720,799.92 is: 1,080,061.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,828.40 : 1,330,340.04 = 720,799.92 : x
  2. Step 2: Convert to fraction form
    887,828.40/1,330,340.04 = 720,799.92/x
  3. Step 3: Cross multiply
    887,828.40x = 1,330,340.04 × 720,799.92
  4. Step 4: Simplify right side
    887,828.40x = 958,908,994,404.80
  5. Step 5: Solve for x
    x = 958,908,994,404.80/887,828.40
  6. Step 6: Final answer
    x = 1,080,061.19

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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.