Home / 709,470.52-1,064,176-330,260.92

Finding the Fourth Proportional to 709,470.52, 1,064,176 and 330,260.92

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Solution

The fourth proportional to 709,470.52, 1,064,176 and 330,260.92 is: 495,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,470.52 : 1,064,176 = 330,260.92 : x
  2. Step 2: Convert to fraction form
    709,470.52/1,064,176 = 330,260.92/x
  3. Step 3: Cross multiply
    709,470.52x = 1,064,176 × 330,260.92
  4. Step 4: Simplify right side
    709,470.52x = 351,455,744,801.92
  5. Step 5: Solve for x
    x = 351,455,744,801.92/709,470.52
  6. Step 6: Final answer
    x = 495,377.52

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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.