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Finding the Fourth Proportional to 575,294.66, 793,933.80 and 320,647.70

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Solution

The fourth proportional to 575,294.66, 793,933.80 and 320,647.70 is: 442,508.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,294.66 : 793,933.80 = 320,647.70 : x
  2. Step 2: Convert to fraction form
    575,294.66/793,933.80 = 320,647.70/x
  3. Step 3: Cross multiply
    575,294.66x = 793,933.80 × 320,647.70
  4. Step 4: Simplify right side
    575,294.66x = 254,573,046,922.26
  5. Step 5: Solve for x
    x = 254,573,046,922.26/575,294.66
  6. Step 6: Final answer
    x = 442,508.97

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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.