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Finding the Fourth Proportional to 613,012.32, 845,948.88 and 344,740.32

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Solution

The fourth proportional to 613,012.32, 845,948.88 and 344,740.32 is: 475,737.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,012.32 : 845,948.88 = 344,740.32 : x
  2. Step 2: Convert to fraction form
    613,012.32/845,948.88 = 344,740.32/x
  3. Step 3: Cross multiply
    613,012.32x = 845,948.88 × 344,740.32
  4. Step 4: Simplify right side
    613,012.32x = 291,632,687,594.84
  5. Step 5: Solve for x
    x = 291,632,687,594.84/613,012.32
  6. Step 6: Final answer
    x = 475,737.07

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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.