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Finding the Fourth Proportional to 508,353.37, 701,504.35 and 278,905.68

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Solution

The fourth proportional to 508,353.37, 701,504.35 and 278,905.68 is: 384,877.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,353.37 : 701,504.35 = 278,905.68 : x
  2. Step 2: Convert to fraction form
    508,353.37/701,504.35 = 278,905.68/x
  3. Step 3: Cross multiply
    508,353.37x = 701,504.35 × 278,905.68
  4. Step 4: Simplify right side
    508,353.37x = 195,653,547,062.44
  5. Step 5: Solve for x
    x = 195,653,547,062.44/508,353.37
  6. Step 6: Final answer
    x = 384,877.06

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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.