Home / 888,425.18-1,226,055.76-486,017.18

Finding the Fourth Proportional to 888,425.18, 1,226,055.76 and 486,017.18

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Solution

The fourth proportional to 888,425.18, 1,226,055.76 and 486,017.18 is: 670,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,425.18 : 1,226,055.76 = 486,017.18 : x
  2. Step 2: Convert to fraction form
    888,425.18/1,226,055.76 = 486,017.18/x
  3. Step 3: Cross multiply
    888,425.18x = 1,226,055.76 × 486,017.18
  4. Step 4: Simplify right side
    888,425.18x = 595,884,162,997.96
  5. Step 5: Solve for x
    x = 595,884,162,997.96/888,425.18
  6. Step 6: Final answer
    x = 670,719.58

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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.