Home / 977,662.80-1,466,494.20-578,097.90

Finding the Fourth Proportional to 977,662.80, 1,466,494.20 and 578,097.90

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Solution

The fourth proportional to 977,662.80, 1,466,494.20 and 578,097.90 is: 867,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,662.80 : 1,466,494.20 = 578,097.90 : x
  2. Step 2: Convert to fraction form
    977,662.80/1,466,494.20 = 578,097.90/x
  3. Step 3: Cross multiply
    977,662.80x = 1,466,494.20 × 578,097.90
  4. Step 4: Simplify right side
    977,662.80x = 847,777,217,382.18
  5. Step 5: Solve for x
    x = 847,777,217,382.18/977,662.80
  6. Step 6: Final answer
    x = 867,146.85

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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.