Home / 771,859.08-1,157,900.58-239,422.86

Finding the Fourth Proportional to 771,859.08, 1,157,900.58 and 239,422.86

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Solution

The fourth proportional to 771,859.08, 1,157,900.58 and 239,422.86 is: 359,169.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,859.08 : 1,157,900.58 = 239,422.86 : x
  2. Step 2: Convert to fraction form
    771,859.08/1,157,900.58 = 239,422.86/x
  3. Step 3: Cross multiply
    771,859.08x = 1,157,900.58 × 239,422.86
  4. Step 4: Simplify right side
    771,859.08x = 277,227,868,459.26
  5. Step 5: Solve for x
    x = 277,227,868,459.26/771,859.08
  6. Step 6: Final answer
    x = 359,169.02

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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.