Home / 779,570.70-1,169,793.45-330,215.10

Finding the Fourth Proportional to 779,570.70, 1,169,793.45 and 330,215.10

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Solution

The fourth proportional to 779,570.70, 1,169,793.45 and 330,215.10 is: 495,507.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,570.70 : 1,169,793.45 = 330,215.10 : x
  2. Step 2: Convert to fraction form
    779,570.70/1,169,793.45 = 330,215.10/x
  3. Step 3: Cross multiply
    779,570.70x = 1,169,793.45 × 330,215.10
  4. Step 4: Simplify right side
    779,570.70x = 386,283,461,071.10
  5. Step 5: Solve for x
    x = 386,283,461,071.10/779,570.70
  6. Step 6: Final answer
    x = 495,507.93

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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.