Home / 977,906.80-1,467,516.30-578,123.20

Finding the Fourth Proportional to 977,906.80, 1,467,516.30 and 578,123.20

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Solution

The fourth proportional to 977,906.80, 1,467,516.30 and 578,123.20 is: 867,572.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,906.80 : 1,467,516.30 = 578,123.20 : x
  2. Step 2: Convert to fraction form
    977,906.80/1,467,516.30 = 578,123.20/x
  3. Step 3: Cross multiply
    977,906.80x = 1,467,516.30 × 578,123.20
  4. Step 4: Simplify right side
    977,906.80x = 848,405,219,408.16
  5. Step 5: Solve for x
    x = 848,405,219,408.16/977,906.80
  6. Step 6: Final answer
    x = 867,572.68

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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.