Home / 667,696.34-1,002,545.06-578,015.67

Finding the Fourth Proportional to 667,696.34, 1,002,545.06 and 578,015.67

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Solution

The fourth proportional to 667,696.34, 1,002,545.06 and 578,015.67 is: 867,889.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,696.34 : 1,002,545.06 = 578,015.67 : x
  2. Step 2: Convert to fraction form
    667,696.34/1,002,545.06 = 578,015.67/x
  3. Step 3: Cross multiply
    667,696.34x = 1,002,545.06 × 578,015.67
  4. Step 4: Simplify right side
    667,696.34x = 579,486,751,671.01
  5. Step 5: Solve for x
    x = 579,486,751,671.01/667,696.34
  6. Step 6: Final answer
    x = 867,889.67

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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.