Home / 977,799.66-1,349,425.89-548,079.90

Finding the Fourth Proportional to 977,799.66, 1,349,425.89 and 548,079.90

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Solution

The fourth proportional to 977,799.66, 1,349,425.89 and 548,079.90 is: 756,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,799.66 : 1,349,425.89 = 548,079.90 : x
  2. Step 2: Convert to fraction form
    977,799.66/1,349,425.89 = 548,079.90/x
  3. Step 3: Cross multiply
    977,799.66x = 1,349,425.89 × 548,079.90
  4. Step 4: Simplify right side
    977,799.66x = 739,593,206,848.61
  5. Step 5: Solve for x
    x = 739,593,206,848.61/977,799.66
  6. Step 6: Final answer
    x = 756,385.22

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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.