Home / 906,210.40-1,359,272.40-307,112.80

Finding the Fourth Proportional to 906,210.40, 1,359,272.40 and 307,112.80

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Solution

The fourth proportional to 906,210.40, 1,359,272.40 and 307,112.80 is: 460,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,210.40 : 1,359,272.40 = 307,112.80 : x
  2. Step 2: Convert to fraction form
    906,210.40/1,359,272.40 = 307,112.80/x
  3. Step 3: Cross multiply
    906,210.40x = 1,359,272.40 × 307,112.80
  4. Step 4: Simplify right side
    906,210.40x = 417,449,952,726.72
  5. Step 5: Solve for x
    x = 417,449,952,726.72/906,210.40
  6. Step 6: Final answer
    x = 460,654.56

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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.