Home / 749,015.34-1,122,544.53-344,060.70

Finding the Fourth Proportional to 749,015.34, 1,122,544.53 and 344,060.70

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Solution

The fourth proportional to 749,015.34, 1,122,544.53 and 344,060.70 is: 515,641.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,015.34 : 1,122,544.53 = 344,060.70 : x
  2. Step 2: Convert to fraction form
    749,015.34/1,122,544.53 = 344,060.70/x
  3. Step 3: Cross multiply
    749,015.34x = 1,122,544.53 × 344,060.70
  4. Step 4: Simplify right side
    749,015.34x = 386,223,456,772.97
  5. Step 5: Solve for x
    x = 386,223,456,772.97/749,015.34
  6. Step 6: Final answer
    x = 515,641.58

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Double scale
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1.5x scale

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.