Home / 770,675.28-1,156,345.02-321,484.62

Finding the Fourth Proportional to 770,675.28, 1,156,345.02 and 321,484.62

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Solution

The fourth proportional to 770,675.28, 1,156,345.02 and 321,484.62 is: 482,365.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,675.28 : 1,156,345.02 = 321,484.62 : x
  2. Step 2: Convert to fraction form
    770,675.28/1,156,345.02 = 321,484.62/x
  3. Step 3: Cross multiply
    770,675.28x = 1,156,345.02 × 321,484.62
  4. Step 4: Simplify right side
    770,675.28x = 371,747,139,343.59
  5. Step 5: Solve for x
    x = 371,747,139,343.59/770,675.28
  6. Step 6: Final answer
    x = 482,365.46

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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.