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Finding the Fourth Proportional to 594,196.96, 891,589.44 and 278,678.08

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Solution

The fourth proportional to 594,196.96, 891,589.44 and 278,678.08 is: 418,155.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,196.96 : 891,589.44 = 278,678.08 : x
  2. Step 2: Convert to fraction form
    594,196.96/891,589.44 = 278,678.08/x
  3. Step 3: Cross multiply
    594,196.96x = 891,589.44 × 278,678.08
  4. Step 4: Simplify right side
    594,196.96x = 248,466,433,287.48
  5. Step 5: Solve for x
    x = 248,466,433,287.48/594,196.96
  6. Step 6: Final answer
    x = 418,155.01

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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.