Home / 888,160.78-1,225,631.55-506,310.58

Finding the Fourth Proportional to 888,160.78, 1,225,631.55 and 506,310.58

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Solution

The fourth proportional to 888,160.78, 1,225,631.55 and 506,310.58 is: 698,691.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,160.78 : 1,225,631.55 = 506,310.58 : x
  2. Step 2: Convert to fraction form
    888,160.78/1,225,631.55 = 506,310.58/x
  3. Step 3: Cross multiply
    888,160.78x = 1,225,631.55 × 506,310.58
  4. Step 4: Simplify right side
    888,160.78x = 620,550,220,946.80
  5. Step 5: Solve for x
    x = 620,550,220,946.80/888,160.78
  6. Step 6: Final answer
    x = 698,691.31

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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.