Home / 788,821.18-1,088,659.74-457,750.06

Finding the Fourth Proportional to 788,821.18, 1,088,659.74 and 457,750.06

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Solution

The fourth proportional to 788,821.18, 1,088,659.74 and 457,750.06 is: 631,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,821.18 : 1,088,659.74 = 457,750.06 : x
  2. Step 2: Convert to fraction form
    788,821.18/1,088,659.74 = 457,750.06/x
  3. Step 3: Cross multiply
    788,821.18x = 1,088,659.74 × 457,750.06
  4. Step 4: Simplify right side
    788,821.18x = 498,334,061,304.58
  5. Step 5: Solve for x
    x = 498,334,061,304.58/788,821.18
  6. Step 6: Final answer
    x = 631,745.29

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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.