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Finding the Fourth Proportional to 575,379.86, 794,364.42 and 511,541.02

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Solution

The fourth proportional to 575,379.86, 794,364.42 and 511,541.02 is: 706,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,379.86 : 794,364.42 = 511,541.02 : x
  2. Step 2: Convert to fraction form
    575,379.86/794,364.42 = 511,541.02/x
  3. Step 3: Cross multiply
    575,379.86x = 794,364.42 × 511,541.02
  4. Step 4: Simplify right side
    575,379.86x = 406,349,985,692.32
  5. Step 5: Solve for x
    x = 406,349,985,692.32/575,379.86
  6. Step 6: Final answer
    x = 706,229.08

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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.