Home / 891,470.32-1,337,402.36-330,504.84

Finding the Fourth Proportional to 891,470.32, 1,337,402.36 and 330,504.84

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Solution

The fourth proportional to 891,470.32, 1,337,402.36 and 330,504.84 is: 495,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,470.32 : 1,337,402.36 = 330,504.84 : x
  2. Step 2: Convert to fraction form
    891,470.32/1,337,402.36 = 330,504.84/x
  3. Step 3: Cross multiply
    891,470.32x = 1,337,402.36 × 330,504.84
  4. Step 4: Simplify right side
    891,470.32x = 442,017,953,007.42
  5. Step 5: Solve for x
    x = 442,017,953,007.42/891,470.32
  6. Step 6: Final answer
    x = 495,830.25

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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.