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Finding the Fourth Proportional to 507,873.68, 700,850.51 and 278,423.13

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Solution

The fourth proportional to 507,873.68, 700,850.51 and 278,423.13 is: 384,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,873.68 : 700,850.51 = 278,423.13 : x
  2. Step 2: Convert to fraction form
    507,873.68/700,850.51 = 278,423.13/x
  3. Step 3: Cross multiply
    507,873.68x = 700,850.51 × 278,423.13
  4. Step 4: Simplify right side
    507,873.68x = 195,132,990,724.17
  5. Step 5: Solve for x
    x = 195,132,990,724.17/507,873.68
  6. Step 6: Final answer
    x = 384,215.60

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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.