Home / 579,837.60-869,717.28-159,078.24

Finding the Fourth Proportional to 579,837.60, 869,717.28 and 159,078.24

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Solution

The fourth proportional to 579,837.60, 869,717.28 and 159,078.24 is: 238,606.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,837.60 : 869,717.28 = 159,078.24 : x
  2. Step 2: Convert to fraction form
    579,837.60/869,717.28 = 159,078.24/x
  3. Step 3: Cross multiply
    579,837.60x = 869,717.28 × 159,078.24
  4. Step 4: Simplify right side
    579,837.60x = 138,353,094,199.99
  5. Step 5: Solve for x
    x = 138,353,094,199.99/579,837.60
  6. Step 6: Final answer
    x = 238,606.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.