Home / 867,148.50-1,196,664.93-485,249.10

Finding the Fourth Proportional to 867,148.50, 1,196,664.93 and 485,249.10

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Solution

The fourth proportional to 867,148.50, 1,196,664.93 and 485,249.10 is: 669,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,148.50 : 1,196,664.93 = 485,249.10 : x
  2. Step 2: Convert to fraction form
    867,148.50/1,196,664.93 = 485,249.10/x
  3. Step 3: Cross multiply
    867,148.50x = 1,196,664.93 × 485,249.10
  4. Step 4: Simplify right side
    867,148.50x = 580,680,580,284.06
  5. Step 5: Solve for x
    x = 580,680,580,284.06/867,148.50
  6. Step 6: Final answer
    x = 669,643.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.