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Finding the Fourth Proportional to 575,625.43, 794,356.76 and 317,513.26

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Solution

The fourth proportional to 575,625.43, 794,356.76 and 317,513.26 is: 438,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,625.43 : 794,356.76 = 317,513.26 : x
  2. Step 2: Convert to fraction form
    575,625.43/794,356.76 = 317,513.26/x
  3. Step 3: Cross multiply
    575,625.43x = 794,356.76 × 317,513.26
  4. Step 4: Simplify right side
    575,625.43x = 252,218,802,883.07
  5. Step 5: Solve for x
    x = 252,218,802,883.07/575,625.43
  6. Step 6: Final answer
    x = 438,164.80

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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.