Home / 628,346.46-867,139.72-341,877.42

Finding the Fourth Proportional to 628,346.46, 867,139.72 and 341,877.42

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Solution

The fourth proportional to 628,346.46, 867,139.72 and 341,877.42 is: 471,802.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,346.46 : 867,139.72 = 341,877.42 : x
  2. Step 2: Convert to fraction form
    628,346.46/867,139.72 = 341,877.42/x
  3. Step 3: Cross multiply
    628,346.46x = 867,139.72 × 341,877.42
  4. Step 4: Simplify right side
    628,346.46x = 296,455,490,253.12
  5. Step 5: Solve for x
    x = 296,455,490,253.12/628,346.46
  6. Step 6: Final answer
    x = 471,802.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.