Home / 867,055.01-1,299,688.56-361,909.94

Finding the Fourth Proportional to 867,055.01, 1,299,688.56 and 361,909.94

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Solution

The fourth proportional to 867,055.01, 1,299,688.56 and 361,909.94 is: 542,491.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,055.01 : 1,299,688.56 = 361,909.94 : x
  2. Step 2: Convert to fraction form
    867,055.01/1,299,688.56 = 361,909.94/x
  3. Step 3: Cross multiply
    867,055.01x = 1,299,688.56 × 361,909.94
  4. Step 4: Simplify right side
    867,055.01x = 470,370,202,269.84
  5. Step 5: Solve for x
    x = 470,370,202,269.84/867,055.01
  6. Step 6: Final answer
    x = 542,491.77

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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.