Home / 739,312.96-1,109,039.28-206,834.08

Finding the Fourth Proportional to 739,312.96, 1,109,039.28 and 206,834.08

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Solution

The fourth proportional to 739,312.96, 1,109,039.28 and 206,834.08 is: 310,270.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,312.96 : 1,109,039.28 = 206,834.08 : x
  2. Step 2: Convert to fraction form
    739,312.96/1,109,039.28 = 206,834.08/x
  3. Step 3: Cross multiply
    739,312.96x = 1,109,039.28 × 206,834.08
  4. Step 4: Simplify right side
    739,312.96x = 229,387,119,162.66
  5. Step 5: Solve for x
    x = 229,387,119,162.66/739,312.96
  6. Step 6: Final answer
    x = 310,270.66

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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.