Home / 876,006.30-1,314,009.45-211,158.30

Finding the Fourth Proportional to 876,006.30, 1,314,009.45 and 211,158.30

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Solution

The fourth proportional to 876,006.30, 1,314,009.45 and 211,158.30 is: 316,737.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,006.30 : 1,314,009.45 = 211,158.30 : x
  2. Step 2: Convert to fraction form
    876,006.30/1,314,009.45 = 211,158.30/x
  3. Step 3: Cross multiply
    876,006.30x = 1,314,009.45 × 211,158.30
  4. Step 4: Simplify right side
    876,006.30x = 277,464,001,645.94
  5. Step 5: Solve for x
    x = 277,464,001,645.94/876,006.30
  6. Step 6: Final answer
    x = 316,737.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.