Home / 867,114.30-1,298,703.15-445,898.10

Finding the Fourth Proportional to 867,114.30, 1,298,703.15 and 445,898.10

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Solution

The fourth proportional to 867,114.30, 1,298,703.15 and 445,898.10 is: 667,834.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,114.30 : 1,298,703.15 = 445,898.10 : x
  2. Step 2: Convert to fraction form
    867,114.30/1,298,703.15 = 445,898.10/x
  3. Step 3: Cross multiply
    867,114.30x = 1,298,703.15 × 445,898.10
  4. Step 4: Simplify right side
    867,114.30x = 579,089,267,049.02
  5. Step 5: Solve for x
    x = 579,089,267,049.02/867,114.30
  6. Step 6: Final answer
    x = 667,834.99

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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.