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Finding the Fourth Proportional to 810,888.32, 1,119,203.52 and 471,552.32

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Solution

The fourth proportional to 810,888.32, 1,119,203.52 and 471,552.32 is: 650,845.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,888.32 : 1,119,203.52 = 471,552.32 : x
  2. Step 2: Convert to fraction form
    810,888.32/1,119,203.52 = 471,552.32/x
  3. Step 3: Cross multiply
    810,888.32x = 1,119,203.52 × 471,552.32
  4. Step 4: Simplify right side
    810,888.32x = 527,763,016,408.17
  5. Step 5: Solve for x
    x = 527,763,016,408.17/810,888.32
  6. Step 6: Final answer
    x = 650,845.50

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Double scale
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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.