Home / 876,876.10-1,314,658.05-477,967.30

Finding the Fourth Proportional to 876,876.10, 1,314,658.05 and 477,967.30

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Solution

The fourth proportional to 876,876.10, 1,314,658.05 and 477,967.30 is: 716,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,876.10 : 1,314,658.05 = 477,967.30 : x
  2. Step 2: Convert to fraction form
    876,876.10/1,314,658.05 = 477,967.30/x
  3. Step 3: Cross multiply
    876,876.10x = 1,314,658.05 × 477,967.30
  4. Step 4: Simplify right side
    876,876.10x = 628,363,558,581.77
  5. Step 5: Solve for x
    x = 628,363,558,581.77/876,876.10
  6. Step 6: Final answer
    x = 716,593.32

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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.