Home / 977,801.66-1,349,428.65-548,081.90

Finding the Fourth Proportional to 977,801.66, 1,349,428.65 and 548,081.90

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Solution

The fourth proportional to 977,801.66, 1,349,428.65 and 548,081.90 is: 756,387.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,801.66 : 1,349,428.65 = 548,081.90 : x
  2. Step 2: Convert to fraction form
    977,801.66/1,349,428.65 = 548,081.90/x
  3. Step 3: Cross multiply
    977,801.66x = 1,349,428.65 × 548,081.90
  4. Step 4: Simplify right side
    977,801.66x = 739,597,418,406.44
  5. Step 5: Solve for x
    x = 739,597,418,406.44/977,801.66
  6. Step 6: Final answer
    x = 756,387.98

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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.