Home / 709,495.76-1,063,610.69-260,111.71

Finding the Fourth Proportional to 709,495.76, 1,063,610.69 and 260,111.71

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Solution

The fourth proportional to 709,495.76, 1,063,610.69 and 260,111.71 is: 389,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,495.76 : 1,063,610.69 = 260,111.71 : x
  2. Step 2: Convert to fraction form
    709,495.76/1,063,610.69 = 260,111.71/x
  3. Step 3: Cross multiply
    709,495.76x = 1,063,610.69 × 260,111.71
  4. Step 4: Simplify right side
    709,495.76x = 276,657,591,390.60
  5. Step 5: Solve for x
    x = 276,657,591,390.60/709,495.76
  6. Step 6: Final answer
    x = 389,935.51

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1.5x scale

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.