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Finding the Fourth Proportional to 704,479.34, 972,181.83 and 382,189.34

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Solution

The fourth proportional to 704,479.34, 972,181.83 and 382,189.34 is: 527,421.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,479.34 : 972,181.83 = 382,189.34 : x
  2. Step 2: Convert to fraction form
    704,479.34/972,181.83 = 382,189.34/x
  3. Step 3: Cross multiply
    704,479.34x = 972,181.83 × 382,189.34
  4. Step 4: Simplify right side
    704,479.34x = 371,557,534,398.15
  5. Step 5: Solve for x
    x = 371,557,534,398.15/704,479.34
  6. Step 6: Final answer
    x = 527,421.48

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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.