Home / 794,778.42-1,096,822.98-455,312.28

Finding the Fourth Proportional to 794,778.42, 1,096,822.98 and 455,312.28

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Solution

The fourth proportional to 794,778.42, 1,096,822.98 and 455,312.28 is: 628,347.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,778.42 : 1,096,822.98 = 455,312.28 : x
  2. Step 2: Convert to fraction form
    794,778.42/1,096,822.98 = 455,312.28/x
  3. Step 3: Cross multiply
    794,778.42x = 1,096,822.98 × 455,312.28
  4. Step 4: Simplify right side
    794,778.42x = 499,396,971,780.19
  5. Step 5: Solve for x
    x = 499,396,971,780.19/794,778.42
  6. Step 6: Final answer
    x = 628,347.42

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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.