Home / 784,928.52-1,083,212.69-440,838.90

Finding the Fourth Proportional to 784,928.52, 1,083,212.69 and 440,838.90

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Solution

The fourth proportional to 784,928.52, 1,083,212.69 and 440,838.90 is: 608,364.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,928.52 : 1,083,212.69 = 440,838.90 : x
  2. Step 2: Convert to fraction form
    784,928.52/1,083,212.69 = 440,838.90/x
  3. Step 3: Cross multiply
    784,928.52x = 1,083,212.69 × 440,838.90
  4. Step 4: Simplify right side
    784,928.52x = 477,522,288,521.45
  5. Step 5: Solve for x
    x = 477,522,288,521.45/784,928.52
  6. Step 6: Final answer
    x = 608,364.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.