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Finding the Fourth Proportional to 537,058.15, 741,130.56 and 295,341.39

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Solution

The fourth proportional to 537,058.15, 741,130.56 and 295,341.39 is: 407,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,058.15 : 741,130.56 = 295,341.39 : x
  2. Step 2: Convert to fraction form
    537,058.15/741,130.56 = 295,341.39/x
  3. Step 3: Cross multiply
    537,058.15x = 741,130.56 × 295,341.39
  4. Step 4: Simplify right side
    537,058.15x = 218,886,529,761.88
  5. Step 5: Solve for x
    x = 218,886,529,761.88/537,058.15
  6. Step 6: Final answer
    x = 407,565.79

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Double scale
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Similar ratio
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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.