Home / 782,557.81-1,174,280.95-333,231.82

Finding the Fourth Proportional to 782,557.81, 1,174,280.95 and 333,231.82

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Solution

The fourth proportional to 782,557.81, 1,174,280.95 and 333,231.82 is: 500,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,557.81 : 1,174,280.95 = 333,231.82 : x
  2. Step 2: Convert to fraction form
    782,557.81/1,174,280.95 = 333,231.82/x
  3. Step 3: Cross multiply
    782,557.81x = 1,174,280.95 × 333,231.82
  4. Step 4: Simplify right side
    782,557.81x = 391,307,780,371.57
  5. Step 5: Solve for x
    x = 391,307,780,371.57/782,557.81
  6. Step 6: Final answer
    x = 500,036.90

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1.5x scale

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.