Home / 768,865.06-1,061,029.56-424,724.67

Finding the Fourth Proportional to 768,865.06, 1,061,029.56 and 424,724.67

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Solution

The fourth proportional to 768,865.06, 1,061,029.56 and 424,724.67 is: 586,117.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,865.06 : 1,061,029.56 = 424,724.67 : x
  2. Step 2: Convert to fraction form
    768,865.06/1,061,029.56 = 424,724.67/x
  3. Step 3: Cross multiply
    768,865.06x = 1,061,029.56 × 424,724.67
  4. Step 4: Simplify right side
    768,865.06x = 450,645,429,731.25
  5. Step 5: Solve for x
    x = 450,645,429,731.25/768,865.06
  6. Step 6: Final answer
    x = 586,117.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.