Home / 710,338.61-1,065,928.28-261,374.75

Finding the Fourth Proportional to 710,338.61, 1,065,928.28 and 261,374.75

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Solution

The fourth proportional to 710,338.61, 1,065,928.28 and 261,374.75 is: 392,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,338.61 : 1,065,928.28 = 261,374.75 : x
  2. Step 2: Convert to fraction form
    710,338.61/1,065,928.28 = 261,374.75/x
  3. Step 3: Cross multiply
    710,338.61x = 1,065,928.28 × 261,374.75
  4. Step 4: Simplify right side
    710,338.61x = 278,606,731,066.42
  5. Step 5: Solve for x
    x = 278,606,731,066.42/710,338.61
  6. Step 6: Final answer
    x = 392,216.80

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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.