Home / 972,255.40-1,458,383.10-636,332.20

Finding the Fourth Proportional to 972,255.40, 1,458,383.10 and 636,332.20

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Solution

The fourth proportional to 972,255.40, 1,458,383.10 and 636,332.20 is: 954,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,255.40 : 1,458,383.10 = 636,332.20 : x
  2. Step 2: Convert to fraction form
    972,255.40/1,458,383.10 = 636,332.20/x
  3. Step 3: Cross multiply
    972,255.40x = 1,458,383.10 × 636,332.20
  4. Step 4: Simplify right side
    972,255.40x = 928,016,126,465.82
  5. Step 5: Solve for x
    x = 928,016,126,465.82/972,255.40
  6. Step 6: Final answer
    x = 954,498.30

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1.5x scale

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.