Home / 782,375.02-1,079,296.52-510,319.51

Finding the Fourth Proportional to 782,375.02, 1,079,296.52 and 510,319.51

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Solution

The fourth proportional to 782,375.02, 1,079,296.52 and 510,319.51 is: 703,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,375.02 : 1,079,296.52 = 510,319.51 : x
  2. Step 2: Convert to fraction form
    782,375.02/1,079,296.52 = 510,319.51/x
  3. Step 3: Cross multiply
    782,375.02x = 1,079,296.52 × 510,319.51
  4. Step 4: Simplify right side
    782,375.02x = 550,786,065,981.27
  5. Step 5: Solve for x
    x = 550,786,065,981.27/782,375.02
  6. Step 6: Final answer
    x = 703,992.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.