Home / 876,641.70-1,314,962.55-578,043.30

Finding the Fourth Proportional to 876,641.70, 1,314,962.55 and 578,043.30

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Solution

The fourth proportional to 876,641.70, 1,314,962.55 and 578,043.30 is: 867,064.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,641.70 : 1,314,962.55 = 578,043.30 : x
  2. Step 2: Convert to fraction form
    876,641.70/1,314,962.55 = 578,043.30/x
  3. Step 3: Cross multiply
    876,641.70x = 1,314,962.55 × 578,043.30
  4. Step 4: Simplify right side
    876,641.70x = 760,105,291,778.42
  5. Step 5: Solve for x
    x = 760,105,291,778.42/876,641.70
  6. Step 6: Final answer
    x = 867,064.95

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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.