Home / 493,746.30-740,619.45-455,255.10

Finding the Fourth Proportional to 493,746.30, 740,619.45 and 455,255.10

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Solution

The fourth proportional to 493,746.30, 740,619.45 and 455,255.10 is: 682,882.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,746.30 : 740,619.45 = 455,255.10 : x
  2. Step 2: Convert to fraction form
    493,746.30/740,619.45 = 455,255.10/x
  3. Step 3: Cross multiply
    493,746.30x = 740,619.45 × 455,255.10
  4. Step 4: Simplify right side
    493,746.30x = 337,170,781,771.70
  5. Step 5: Solve for x
    x = 337,170,781,771.70/493,746.30
  6. Step 6: Final answer
    x = 682,882.65

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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.