Home / 843,157.47-1,264,752.68-310,404.27

Finding the Fourth Proportional to 843,157.47, 1,264,752.68 and 310,404.27

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Solution

The fourth proportional to 843,157.47, 1,264,752.68 and 310,404.27 is: 465,612.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,157.47 : 1,264,752.68 = 310,404.27 : x
  2. Step 2: Convert to fraction form
    843,157.47/1,264,752.68 = 310,404.27/x
  3. Step 3: Cross multiply
    843,157.47x = 1,264,752.68 × 310,404.27
  4. Step 4: Simplify right side
    843,157.47x = 392,584,630,813.92
  5. Step 5: Solve for x
    x = 392,584,630,813.92/843,157.47
  6. Step 6: Final answer
    x = 465,612.47

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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.