Home / 977,861.80-1,467,656.70-578,002.60

Finding the Fourth Proportional to 977,861.80, 1,467,656.70 and 578,002.60

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Solution

The fourth proportional to 977,861.80, 1,467,656.70 and 578,002.60 is: 867,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,861.80 : 1,467,656.70 = 578,002.60 : x
  2. Step 2: Convert to fraction form
    977,861.80/1,467,656.70 = 578,002.60/x
  3. Step 3: Cross multiply
    977,861.80x = 1,467,656.70 × 578,002.60
  4. Step 4: Simplify right side
    977,861.80x = 848,309,388,507.42
  5. Step 5: Solve for x
    x = 848,309,388,507.42/977,861.80
  6. Step 6: Final answer
    x = 867,514.60

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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.