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Finding the Fourth Proportional to 507,873.93, 700,850.86 and 278,423.38

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Solution

The fourth proportional to 507,873.93, 700,850.86 and 278,423.38 is: 384,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,873.93 : 700,850.86 = 278,423.38 : x
  2. Step 2: Convert to fraction form
    507,873.93/700,850.86 = 278,423.38/x
  3. Step 3: Cross multiply
    507,873.93x = 700,850.86 × 278,423.38
  4. Step 4: Simplify right side
    507,873.93x = 195,133,262,868.92
  5. Step 5: Solve for x
    x = 195,133,262,868.92/507,873.93
  6. Step 6: Final answer
    x = 384,215.94

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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.