Home / 867,135.40-1,300,703.10-368,434.60

Finding the Fourth Proportional to 867,135.40, 1,300,703.10 and 368,434.60

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Solution

The fourth proportional to 867,135.40, 1,300,703.10 and 368,434.60 is: 552,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,135.40 : 1,300,703.10 = 368,434.60 : x
  2. Step 2: Convert to fraction form
    867,135.40/1,300,703.10 = 368,434.60/x
  3. Step 3: Cross multiply
    867,135.40x = 1,300,703.10 × 368,434.60
  4. Step 4: Simplify right side
    867,135.40x = 479,224,026,367.26
  5. Step 5: Solve for x
    x = 479,224,026,367.26/867,135.40
  6. Step 6: Final answer
    x = 552,651.90

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Double scale
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Similar ratio
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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.