Home / 867,830.60-1,301,625.90-269,203.40

Finding the Fourth Proportional to 867,830.60, 1,301,625.90 and 269,203.40

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Solution

The fourth proportional to 867,830.60, 1,301,625.90 and 269,203.40 is: 403,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,830.60 : 1,301,625.90 = 269,203.40 : x
  2. Step 2: Convert to fraction form
    867,830.60/1,301,625.90 = 269,203.40/x
  3. Step 3: Cross multiply
    867,830.60x = 1,301,625.90 × 269,203.40
  4. Step 4: Simplify right side
    867,830.60x = 350,402,117,808.06
  5. Step 5: Solve for x
    x = 350,402,117,808.06/867,830.60
  6. Step 6: Final answer
    x = 403,767.88

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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.