Home / 779,737.68-1,169,715.60-274,365.36

Finding the Fourth Proportional to 779,737.68, 1,169,715.60 and 274,365.36

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Solution

The fourth proportional to 779,737.68, 1,169,715.60 and 274,365.36 is: 411,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,737.68 : 1,169,715.60 = 274,365.36 : x
  2. Step 2: Convert to fraction form
    779,737.68/1,169,715.60 = 274,365.36/x
  3. Step 3: Cross multiply
    779,737.68x = 1,169,715.60 × 274,365.36
  4. Step 4: Simplify right side
    779,737.68x = 320,929,441,691.62
  5. Step 5: Solve for x
    x = 320,929,441,691.62/779,737.68
  6. Step 6: Final answer
    x = 411,586.42

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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.