Home / 1,077,616.80-1,616,133.60-319,456.80

Finding the Fourth Proportional to 1,077,616.80, 1,616,133.60 and 319,456.80

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Solution

The fourth proportional to 1,077,616.80, 1,616,133.60 and 319,456.80 is: 479,098.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,616.80 : 1,616,133.60 = 319,456.80 : x
  2. Step 2: Convert to fraction form
    1,077,616.80/1,616,133.60 = 319,456.80/x
  3. Step 3: Cross multiply
    1,077,616.80x = 1,616,133.60 × 319,456.80
  4. Step 4: Simplify right side
    1,077,616.80x = 516,284,868,228.48
  5. Step 5: Solve for x
    x = 516,284,868,228.48/1,077,616.80
  6. Step 6: Final answer
    x = 479,098.76

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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.