Home / 746,118.59-1,119,310.86-347,209.79

Finding the Fourth Proportional to 746,118.59, 1,119,310.86 and 347,209.79

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Solution

The fourth proportional to 746,118.59, 1,119,310.86 and 347,209.79 is: 520,876.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,118.59 : 1,119,310.86 = 347,209.79 : x
  2. Step 2: Convert to fraction form
    746,118.59/1,119,310.86 = 347,209.79/x
  3. Step 3: Cross multiply
    746,118.59x = 1,119,310.86 × 347,209.79
  4. Step 4: Simplify right side
    746,118.59x = 388,635,688,645.32
  5. Step 5: Solve for x
    x = 388,635,688,645.32/746,118.59
  6. Step 6: Final answer
    x = 520,876.57

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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.