Home / 745,194.19-1,117,043.90-346,115.22

Finding the Fourth Proportional to 745,194.19, 1,117,043.90 and 346,115.22

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Solution

The fourth proportional to 745,194.19, 1,117,043.90 and 346,115.22 is: 518,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,194.19 : 1,117,043.90 = 346,115.22 : x
  2. Step 2: Convert to fraction form
    745,194.19/1,117,043.90 = 346,115.22/x
  3. Step 3: Cross multiply
    745,194.19x = 1,117,043.90 × 346,115.22
  4. Step 4: Simplify right side
    745,194.19x = 386,625,895,198.16
  5. Step 5: Solve for x
    x = 386,625,895,198.16/745,194.19
  6. Step 6: Final answer
    x = 518,825.70

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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.