Home / 575,340.08-793,996.20-320,693.12

Finding the Fourth Proportional to 575,340.08, 793,996.20 and 320,693.12

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Solution

The fourth proportional to 575,340.08, 793,996.20 and 320,693.12 is: 442,571.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,340.08 : 793,996.20 = 320,693.12 : x
  2. Step 2: Convert to fraction form
    575,340.08/793,996.20 = 320,693.12/x
  3. Step 3: Cross multiply
    575,340.08x = 793,996.20 × 320,693.12
  4. Step 4: Simplify right side
    575,340.08x = 254,629,118,646.14
  5. Step 5: Solve for x
    x = 254,629,118,646.14/575,340.08
  6. Step 6: Final answer
    x = 442,571.49

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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.