Home / 710,237.70-1,065,356.55-260,764.09

Finding the Fourth Proportional to 710,237.70, 1,065,356.55 and 260,764.09

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Solution

The fourth proportional to 710,237.70, 1,065,356.55 and 260,764.09 is: 391,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,237.70 : 1,065,356.55 = 260,764.09 : x
  2. Step 2: Convert to fraction form
    710,237.70/1,065,356.55 = 260,764.09/x
  3. Step 3: Cross multiply
    710,237.70x = 1,065,356.55 × 260,764.09
  4. Step 4: Simplify right side
    710,237.70x = 277,806,729,982.47
  5. Step 5: Solve for x
    x = 277,806,729,982.47/710,237.70
  6. Step 6: Final answer
    x = 391,146.13

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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.