Home / 628,733.52-867,625.16-342,253.13

Finding the Fourth Proportional to 628,733.52, 867,625.16 and 342,253.13

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Solution

The fourth proportional to 628,733.52, 867,625.16 and 342,253.13 is: 472,294.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,733.52 : 867,625.16 = 342,253.13 : x
  2. Step 2: Convert to fraction form
    628,733.52/867,625.16 = 342,253.13/x
  3. Step 3: Cross multiply
    628,733.52x = 867,625.16 × 342,253.13
  4. Step 4: Simplify right side
    628,733.52x = 296,947,420,627.36
  5. Step 5: Solve for x
    x = 296,947,420,627.36/628,733.52
  6. Step 6: Final answer
    x = 472,294.56

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Double scale
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1.5x scale

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.