Home / 522,255.08-783,382.63-344,720.57

Finding the Fourth Proportional to 522,255.08, 783,382.63 and 344,720.57

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Solution

The fourth proportional to 522,255.08, 783,382.63 and 344,720.57 is: 517,080.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,255.08 : 783,382.63 = 344,720.57 : x
  2. Step 2: Convert to fraction form
    522,255.08/783,382.63 = 344,720.57/x
  3. Step 3: Cross multiply
    522,255.08x = 783,382.63 × 344,720.57
  4. Step 4: Simplify right side
    522,255.08x = 270,048,106,741.70
  5. Step 5: Solve for x
    x = 270,048,106,741.70/522,255.08
  6. Step 6: Final answer
    x = 517,080.86

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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.