Home / 722,561.54-1,083,876.87-348,898.82

Finding the Fourth Proportional to 722,561.54, 1,083,876.87 and 348,898.82

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Solution

The fourth proportional to 722,561.54, 1,083,876.87 and 348,898.82 is: 523,364.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,561.54 : 1,083,876.87 = 348,898.82 : x
  2. Step 2: Convert to fraction form
    722,561.54/1,083,876.87 = 348,898.82/x
  3. Step 3: Cross multiply
    722,561.54x = 1,083,876.87 × 348,898.82
  4. Step 4: Simplify right side
    722,561.54x = 378,163,360,968.29
  5. Step 5: Solve for x
    x = 378,163,360,968.29/722,561.54
  6. Step 6: Final answer
    x = 523,364.92

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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.