Home / 788,975.79-1,088,791.58-426,398.80

Finding the Fourth Proportional to 788,975.79, 1,088,791.58 and 426,398.80

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Solution

The fourth proportional to 788,975.79, 1,088,791.58 and 426,398.80 is: 588,433.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,975.79 : 1,088,791.58 = 426,398.80 : x
  2. Step 2: Convert to fraction form
    788,975.79/1,088,791.58 = 426,398.80/x
  3. Step 3: Cross multiply
    788,975.79x = 1,088,791.58 × 426,398.80
  4. Step 4: Simplify right side
    788,975.79x = 464,259,421,506.12
  5. Step 5: Solve for x
    x = 464,259,421,506.12/788,975.79
  6. Step 6: Final answer
    x = 588,433.04

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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.