Home / 628,554.06-867,387.96-342,068.00

Finding the Fourth Proportional to 628,554.06, 867,387.96 and 342,068.00

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Solution

The fourth proportional to 628,554.06, 867,387.96 and 342,068.00 is: 472,044.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,554.06 : 867,387.96 = 342,068.00 : x
  2. Step 2: Convert to fraction form
    628,554.06/867,387.96 = 342,068.00/x
  3. Step 3: Cross multiply
    628,554.06x = 867,387.96 × 342,068.00
  4. Step 4: Simplify right side
    628,554.06x = 296,705,660,364.34
  5. Step 5: Solve for x
    x = 296,705,660,364.34/628,554.06
  6. Step 6: Final answer
    x = 472,044.78

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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.