Home / 575,346.11-793,988.07-320,669.96

Finding the Fourth Proportional to 575,346.11, 793,988.07 and 320,669.96

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Solution

The fourth proportional to 575,346.11, 793,988.07 and 320,669.96 is: 442,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,346.11 : 793,988.07 = 320,669.96 : x
  2. Step 2: Convert to fraction form
    575,346.11/793,988.07 = 320,669.96/x
  3. Step 3: Cross multiply
    575,346.11x = 793,988.07 × 320,669.96
  4. Step 4: Simplify right side
    575,346.11x = 254,608,122,647.38
  5. Step 5: Solve for x
    x = 254,608,122,647.38/575,346.11
  6. Step 6: Final answer
    x = 442,530.36

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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.