Home / 829,295.42-1,144,780.79-557,520.95

Finding the Fourth Proportional to 829,295.42, 1,144,780.79 and 557,520.95

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Solution

The fourth proportional to 829,295.42, 1,144,780.79 and 557,520.95 is: 769,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,295.42 : 1,144,780.79 = 557,520.95 : x
  2. Step 2: Convert to fraction form
    829,295.42/1,144,780.79 = 557,520.95/x
  3. Step 3: Cross multiply
    829,295.42x = 1,144,780.79 × 557,520.95
  4. Step 4: Simplify right side
    829,295.42x = 638,239,265,071.04
  5. Step 5: Solve for x
    x = 638,239,265,071.04/829,295.42
  6. Step 6: Final answer
    x = 769,616.30

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1.5x scale

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.