Home / 684,357.66-1,026,184.41-400,110.84

Finding the Fourth Proportional to 684,357.66, 1,026,184.41 and 400,110.84

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Solution

The fourth proportional to 684,357.66, 1,026,184.41 and 400,110.84 is: 599,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,357.66 : 1,026,184.41 = 400,110.84 : x
  2. Step 2: Convert to fraction form
    684,357.66/1,026,184.41 = 400,110.84/x
  3. Step 3: Cross multiply
    684,357.66x = 1,026,184.41 × 400,110.84
  4. Step 4: Simplify right side
    684,357.66x = 410,587,506,280.00
  5. Step 5: Solve for x
    x = 410,587,506,280.00/684,357.66
  6. Step 6: Final answer
    x = 599,960.42

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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.