Home / 516,017.40-711,979.38-301,034.76

Finding the Fourth Proportional to 516,017.40, 711,979.38 and 301,034.76

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Solution

The fourth proportional to 516,017.40, 711,979.38 and 301,034.76 is: 415,355.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,017.40 : 711,979.38 = 301,034.76 : x
  2. Step 2: Convert to fraction form
    516,017.40/711,979.38 = 301,034.76/x
  3. Step 3: Cross multiply
    516,017.40x = 711,979.38 × 301,034.76
  4. Step 4: Simplify right side
    516,017.40x = 214,330,541,783.25
  5. Step 5: Solve for x
    x = 214,330,541,783.25/516,017.40
  6. Step 6: Final answer
    x = 415,355.26

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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.