Home / 407,707.02-611,319.05-123,311.36

Finding the Fourth Proportional to 407,707.02, 611,319.05 and 123,311.36

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Solution

The fourth proportional to 407,707.02, 611,319.05 and 123,311.36 is: 184,894.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,707.02 : 611,319.05 = 123,311.36 : x
  2. Step 2: Convert to fraction form
    407,707.02/611,319.05 = 123,311.36/x
  3. Step 3: Cross multiply
    407,707.02x = 611,319.05 × 123,311.36
  4. Step 4: Simplify right side
    407,707.02x = 75,382,584,823.57
  5. Step 5: Solve for x
    x = 75,382,584,823.57/407,707.02
  6. Step 6: Final answer
    x = 184,894.01

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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.