Home / 779,959.96-1,169,707.47-330,673.62

Finding the Fourth Proportional to 779,959.96, 1,169,707.47 and 330,673.62

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Solution

The fourth proportional to 779,959.96, 1,169,707.47 and 330,673.62 is: 495,911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,959.96 : 1,169,707.47 = 330,673.62 : x
  2. Step 2: Convert to fraction form
    779,959.96/1,169,707.47 = 330,673.62/x
  3. Step 3: Cross multiply
    779,959.96x = 1,169,707.47 × 330,673.62
  4. Step 4: Simplify right side
    779,959.96x = 386,791,403,445.94
  5. Step 5: Solve for x
    x = 386,791,403,445.94/779,959.96
  6. Step 6: Final answer
    x = 495,911.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.