Home / 780,187.41-1,170,197.28-529,079.72

Finding the Fourth Proportional to 780,187.41, 1,170,197.28 and 529,079.72

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Solution

The fourth proportional to 780,187.41, 1,170,197.28 and 529,079.72 is: 793,562.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,187.41 : 1,170,197.28 = 529,079.72 : x
  2. Step 2: Convert to fraction form
    780,187.41/1,170,197.28 = 529,079.72/x
  3. Step 3: Cross multiply
    780,187.41x = 1,170,197.28 × 529,079.72
  4. Step 4: Simplify right side
    780,187.41x = 619,127,643,396.18
  5. Step 5: Solve for x
    x = 619,127,643,396.18/780,187.41
  6. Step 6: Final answer
    x = 793,562.72

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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.