Home / 779,312.16-1,168,976.72-273,887.52

Finding the Fourth Proportional to 779,312.16, 1,168,976.72 and 273,887.52

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Solution

The fourth proportional to 779,312.16, 1,168,976.72 and 273,887.52 is: 410,834.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,312.16 : 1,168,976.72 = 273,887.52 : x
  2. Step 2: Convert to fraction form
    779,312.16/1,168,976.72 = 273,887.52/x
  3. Step 3: Cross multiply
    779,312.16x = 1,168,976.72 × 273,887.52
  4. Step 4: Simplify right side
    779,312.16x = 320,168,134,778.53
  5. Step 5: Solve for x
    x = 320,168,134,778.53/779,312.16
  6. Step 6: Final answer
    x = 410,834.26

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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.