Home / 790,602.08-1,186,123.04-258,155.04

Finding the Fourth Proportional to 790,602.08, 1,186,123.04 and 258,155.04

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Solution

The fourth proportional to 790,602.08, 1,186,123.04 and 258,155.04 is: 387,304.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,602.08 : 1,186,123.04 = 258,155.04 : x
  2. Step 2: Convert to fraction form
    790,602.08/1,186,123.04 = 258,155.04/x
  3. Step 3: Cross multiply
    790,602.08x = 1,186,123.04 × 258,155.04
  4. Step 4: Simplify right side
    790,602.08x = 306,203,640,836.12
  5. Step 5: Solve for x
    x = 306,203,640,836.12/790,602.08
  6. Step 6: Final answer
    x = 387,304.37

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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.