Home / 887,228.32-1,330,356.40-436,959.04

Finding the Fourth Proportional to 887,228.32, 1,330,356.40 and 436,959.04

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Solution

The fourth proportional to 887,228.32, 1,330,356.40 and 436,959.04 is: 655,199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,228.32 : 1,330,356.40 = 436,959.04 : x
  2. Step 2: Convert to fraction form
    887,228.32/1,330,356.40 = 436,959.04/x
  3. Step 3: Cross multiply
    887,228.32x = 1,330,356.40 × 436,959.04
  4. Step 4: Simplify right side
    887,228.32x = 581,311,255,401.86
  5. Step 5: Solve for x
    x = 581,311,255,401.86/887,228.32
  6. Step 6: Final answer
    x = 655,199.17

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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.