Home / 686,711.95-1,030,197.14-276,412.61

Finding the Fourth Proportional to 686,711.95, 1,030,197.14 and 276,412.61

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Solution

The fourth proportional to 686,711.95, 1,030,197.14 and 276,412.61 is: 414,670.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,711.95 : 1,030,197.14 = 276,412.61 : x
  2. Step 2: Convert to fraction form
    686,711.95/1,030,197.14 = 276,412.61/x
  3. Step 3: Cross multiply
    686,711.95x = 1,030,197.14 × 276,412.61
  4. Step 4: Simplify right side
    686,711.95x = 284,759,480,281.94
  5. Step 5: Solve for x
    x = 284,759,480,281.94/686,711.95
  6. Step 6: Final answer
    x = 414,670.93

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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.