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Finding the Fourth Proportional to 441,019.12, 660,693.96 and 260,564.89

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Solution

The fourth proportional to 441,019.12, 660,693.96 and 260,564.89 is: 390,354.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,019.12 : 660,693.96 = 260,564.89 : x
  2. Step 2: Convert to fraction form
    441,019.12/660,693.96 = 260,564.89/x
  3. Step 3: Cross multiply
    441,019.12x = 660,693.96 × 260,564.89
  4. Step 4: Simplify right side
    441,019.12x = 172,153,649,011.06
  5. Step 5: Solve for x
    x = 172,153,649,011.06/441,019.12
  6. Step 6: Final answer
    x = 390,354.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.