Home / 835,377.72-1,152,822.39-453,404.53

Finding the Fourth Proportional to 835,377.72, 1,152,822.39 and 453,404.53

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Solution

The fourth proportional to 835,377.72, 1,152,822.39 and 453,404.53 is: 625,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,377.72 : 1,152,822.39 = 453,404.53 : x
  2. Step 2: Convert to fraction form
    835,377.72/1,152,822.39 = 453,404.53/x
  3. Step 3: Cross multiply
    835,377.72x = 1,152,822.39 × 453,404.53
  4. Step 4: Simplify right side
    835,377.72x = 522,694,893,911.43
  5. Step 5: Solve for x
    x = 522,694,893,911.43/835,377.72
  6. Step 6: Final answer
    x = 625,698.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.