Home / 941,920.80-1,412,881.20-310,801.20

Finding the Fourth Proportional to 941,920.80, 1,412,881.20 and 310,801.20

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Solution

The fourth proportional to 941,920.80, 1,412,881.20 and 310,801.20 is: 466,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,920.80 : 1,412,881.20 = 310,801.20 : x
  2. Step 2: Convert to fraction form
    941,920.80/1,412,881.20 = 310,801.20/x
  3. Step 3: Cross multiply
    941,920.80x = 1,412,881.20 × 310,801.20
  4. Step 4: Simplify right side
    941,920.80x = 439,125,172,417.44
  5. Step 5: Solve for x
    x = 439,125,172,417.44/941,920.80
  6. Step 6: Final answer
    x = 466,201.80

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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.