Home / 977,808.80-1,467,369.30-578,025.20

Finding the Fourth Proportional to 977,808.80, 1,467,369.30 and 578,025.20

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Solution

The fourth proportional to 977,808.80, 1,467,369.30 and 578,025.20 is: 867,425.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,808.80 : 1,467,369.30 = 578,025.20 : x
  2. Step 2: Convert to fraction form
    977,808.80/1,467,369.30 = 578,025.20/x
  3. Step 3: Cross multiply
    977,808.80x = 1,467,369.30 × 578,025.20
  4. Step 4: Simplify right side
    977,808.80x = 848,176,433,106.36
  5. Step 5: Solve for x
    x = 848,176,433,106.36/977,808.80
  6. Step 6: Final answer
    x = 867,425.65

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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.