Home / 540,277.38-745,627.68-298,607.16

Finding the Fourth Proportional to 540,277.38, 745,627.68 and 298,607.16

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Solution

The fourth proportional to 540,277.38, 745,627.68 and 298,607.16 is: 412,102.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,277.38 : 745,627.68 = 298,607.16 : x
  2. Step 2: Convert to fraction form
    540,277.38/745,627.68 = 298,607.16/x
  3. Step 3: Cross multiply
    540,277.38x = 745,627.68 × 298,607.16
  4. Step 4: Simplify right side
    540,277.38x = 222,649,763,942.19
  5. Step 5: Solve for x
    x = 222,649,763,942.19/540,277.38
  6. Step 6: Final answer
    x = 412,102.69

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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.