Home / 711,298.44-981,948.66-549,788.76

Finding the Fourth Proportional to 711,298.44, 981,948.66 and 549,788.76

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Solution

The fourth proportional to 711,298.44, 981,948.66 and 549,788.76 is: 758,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,298.44 : 981,948.66 = 549,788.76 : x
  2. Step 2: Convert to fraction form
    711,298.44/981,948.66 = 549,788.76/x
  3. Step 3: Cross multiply
    711,298.44x = 981,948.66 × 549,788.76
  4. Step 4: Simplify right side
    711,298.44x = 539,864,336,165.06
  5. Step 5: Solve for x
    x = 539,864,336,165.06/711,298.44
  6. Step 6: Final answer
    x = 758,984.28

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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.