Home / 839,317.76-1,259,155.59-270,730.76

Finding the Fourth Proportional to 839,317.76, 1,259,155.59 and 270,730.76

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Solution

The fourth proportional to 839,317.76, 1,259,155.59 and 270,730.76 is: 406,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,317.76 : 1,259,155.59 = 270,730.76 : x
  2. Step 2: Convert to fraction form
    839,317.76/1,259,155.59 = 270,730.76/x
  3. Step 3: Cross multiply
    839,317.76x = 1,259,155.59 × 270,730.76
  4. Step 4: Simplify right side
    839,317.76x = 340,892,149,838.95
  5. Step 5: Solve for x
    x = 340,892,149,838.95/839,317.76
  6. Step 6: Final answer
    x = 406,153.86

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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.