Home / 710,340.23-1,065,930.71-261,376.38

Finding the Fourth Proportional to 710,340.23, 1,065,930.71 and 261,376.38

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Solution

The fourth proportional to 710,340.23, 1,065,930.71 and 261,376.38 is: 392,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,340.23 : 1,065,930.71 = 261,376.38 : x
  2. Step 2: Convert to fraction form
    710,340.23/1,065,930.71 = 261,376.38/x
  3. Step 3: Cross multiply
    710,340.23x = 1,065,930.71 × 261,376.38
  4. Step 4: Simplify right side
    710,340.23x = 278,609,110,310.63
  5. Step 5: Solve for x
    x = 278,609,110,310.63/710,340.23
  6. Step 6: Final answer
    x = 392,219.25

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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.