Home / 791,728.21-1,092,555.66-429,144.29

Finding the Fourth Proportional to 791,728.21, 1,092,555.66 and 429,144.29

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Solution

The fourth proportional to 791,728.21, 1,092,555.66 and 429,144.29 is: 592,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,728.21 : 1,092,555.66 = 429,144.29 : x
  2. Step 2: Convert to fraction form
    791,728.21/1,092,555.66 = 429,144.29/x
  3. Step 3: Cross multiply
    791,728.21x = 1,092,555.66 × 429,144.29
  4. Step 4: Simplify right side
    791,728.21x = 468,864,018,899.10
  5. Step 5: Solve for x
    x = 468,864,018,899.10/791,728.21
  6. Step 6: Final answer
    x = 592,203.25

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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.