Home / 876,640.70-1,314,961.05-578,042.30

Finding the Fourth Proportional to 876,640.70, 1,314,961.05 and 578,042.30

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Solution

The fourth proportional to 876,640.70, 1,314,961.05 and 578,042.30 is: 867,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,640.70 : 1,314,961.05 = 578,042.30 : x
  2. Step 2: Convert to fraction form
    876,640.70/1,314,961.05 = 578,042.30/x
  3. Step 3: Cross multiply
    876,640.70x = 1,314,961.05 × 578,042.30
  4. Step 4: Simplify right side
    876,640.70x = 760,103,109,752.42
  5. Step 5: Solve for x
    x = 760,103,109,752.42/876,640.70
  6. Step 6: Final answer
    x = 867,063.45

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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.