Home / 709,475.26-1,063,288.74-288,258.70

Finding the Fourth Proportional to 709,475.26, 1,063,288.74 and 288,258.70

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Solution

The fourth proportional to 709,475.26, 1,063,288.74 and 288,258.70 is: 432,012.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,475.26 : 1,063,288.74 = 288,258.70 : x
  2. Step 2: Convert to fraction form
    709,475.26/1,063,288.74 = 288,258.70/x
  3. Step 3: Cross multiply
    709,475.26x = 1,063,288.74 × 288,258.70
  4. Step 4: Simplify right side
    709,475.26x = 306,502,229,917.04
  5. Step 5: Solve for x
    x = 306,502,229,917.04/709,475.26
  6. Step 6: Final answer
    x = 432,012.57

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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.