Home / 711,985.20-1,065,904.20-691,249.20

Finding the Fourth Proportional to 711,985.20, 1,065,904.20 and 691,249.20

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Solution

The fourth proportional to 711,985.20, 1,065,904.20 and 691,249.20 is: 1,034,860.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,985.20 : 1,065,904.20 = 691,249.20 : x
  2. Step 2: Convert to fraction form
    711,985.20/1,065,904.20 = 691,249.20/x
  3. Step 3: Cross multiply
    711,985.20x = 1,065,904.20 × 691,249.20
  4. Step 4: Simplify right side
    711,985.20x = 736,805,425,526.64
  5. Step 5: Solve for x
    x = 736,805,425,526.64/711,985.20
  6. Step 6: Final answer
    x = 1,034,860.59

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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.