Home / 518,734.76-716,032.56-303,944.36

Finding the Fourth Proportional to 518,734.76, 716,032.56 and 303,944.36

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Solution

The fourth proportional to 518,734.76, 716,032.56 and 303,944.36 is: 419,547.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,734.76 : 716,032.56 = 303,944.36 : x
  2. Step 2: Convert to fraction form
    518,734.76/716,032.56 = 303,944.36/x
  3. Step 3: Cross multiply
    518,734.76x = 716,032.56 × 303,944.36
  4. Step 4: Simplify right side
    518,734.76x = 217,634,058,188.36
  5. Step 5: Solve for x
    x = 217,634,058,188.36/518,734.76
  6. Step 6: Final answer
    x = 419,547.86

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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.