Home / 628,356.08-867,127.28-341,877.31

Finding the Fourth Proportional to 628,356.08, 867,127.28 and 341,877.31

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Solution

The fourth proportional to 628,356.08, 867,127.28 and 341,877.31 is: 471,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,356.08 : 867,127.28 = 341,877.31 : x
  2. Step 2: Convert to fraction form
    628,356.08/867,127.28 = 341,877.31/x
  3. Step 3: Cross multiply
    628,356.08x = 867,127.28 × 341,877.31
  4. Step 4: Simplify right side
    628,356.08x = 296,451,138,036.81
  5. Step 5: Solve for x
    x = 296,451,138,036.81/628,356.08
  6. Step 6: Final answer
    x = 471,788.44

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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.