Home / 838,875.10-1,258,218.51-231,749.77

Finding the Fourth Proportional to 838,875.10, 1,258,218.51 and 231,749.77

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Solution

The fourth proportional to 838,875.10, 1,258,218.51 and 231,749.77 is: 347,598.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,875.10 : 1,258,218.51 = 231,749.77 : x
  2. Step 2: Convert to fraction form
    838,875.10/1,258,218.51 = 231,749.77/x
  3. Step 3: Cross multiply
    838,875.10x = 1,258,218.51 × 231,749.77
  4. Step 4: Simplify right side
    838,875.10x = 291,591,850,302.24
  5. Step 5: Solve for x
    x = 291,591,850,302.24/838,875.10
  6. Step 6: Final answer
    x = 347,598.65

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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.