Home / 807,585.80-1,211,378.70-755,097.80

Finding the Fourth Proportional to 807,585.80, 1,211,378.70 and 755,097.80

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Solution

The fourth proportional to 807,585.80, 1,211,378.70 and 755,097.80 is: 1,132,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,585.80 : 1,211,378.70 = 755,097.80 : x
  2. Step 2: Convert to fraction form
    807,585.80/1,211,378.70 = 755,097.80/x
  3. Step 3: Cross multiply
    807,585.80x = 1,211,378.70 × 755,097.80
  4. Step 4: Simplify right side
    807,585.80x = 914,709,391,336.86
  5. Step 5: Solve for x
    x = 914,709,391,336.86/807,585.80
  6. Step 6: Final answer
    x = 1,132,646.70

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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.