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Finding the Fourth Proportional to 575,345.08, 794,003.10 and 320,698.12

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Solution

The fourth proportional to 575,345.08, 794,003.10 and 320,698.12 is: 442,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,345.08 : 794,003.10 = 320,698.12 : x
  2. Step 2: Convert to fraction form
    575,345.08/794,003.10 = 320,698.12/x
  3. Step 3: Cross multiply
    575,345.08x = 794,003.10 × 320,698.12
  4. Step 4: Simplify right side
    575,345.08x = 254,635,301,444.17
  5. Step 5: Solve for x
    x = 254,635,301,444.17/575,345.08
  6. Step 6: Final answer
    x = 442,578.39

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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.