Home / 710,354.20-1,065,416.16-260,964.52

Finding the Fourth Proportional to 710,354.20, 1,065,416.16 and 260,964.52

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Solution

The fourth proportional to 710,354.20, 1,065,416.16 and 260,964.52 is: 391,404.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,354.20 : 1,065,416.16 = 260,964.52 : x
  2. Step 2: Convert to fraction form
    710,354.20/1,065,416.16 = 260,964.52/x
  3. Step 3: Cross multiply
    710,354.20x = 1,065,416.16 × 260,964.52
  4. Step 4: Simplify right side
    710,354.20x = 278,035,816,794.64
  5. Step 5: Solve for x
    x = 278,035,816,794.64/710,354.20
  6. Step 6: Final answer
    x = 391,404.48

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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.