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Finding the Fourth Proportional to 575,552.90, 794,267.70 and 320,921.30

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Solution

The fourth proportional to 575,552.90, 794,267.70 and 320,921.30 is: 442,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,552.90 : 794,267.70 = 320,921.30 : x
  2. Step 2: Convert to fraction form
    575,552.90/794,267.70 = 320,921.30/x
  3. Step 3: Cross multiply
    575,552.90x = 794,267.70 × 320,921.30
  4. Step 4: Simplify right side
    575,552.90x = 254,897,422,832.01
  5. Step 5: Solve for x
    x = 254,897,422,832.01/575,552.90
  6. Step 6: Final answer
    x = 442,874.01

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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.