Home / 780,259.71-1,170,625.58-552,994.87

Finding the Fourth Proportional to 780,259.71, 1,170,625.58 and 552,994.87

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Solution

The fourth proportional to 780,259.71, 1,170,625.58 and 552,994.87 is: 829,659.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,259.71 : 1,170,625.58 = 552,994.87 : x
  2. Step 2: Convert to fraction form
    780,259.71/1,170,625.58 = 552,994.87/x
  3. Step 3: Cross multiply
    780,259.71x = 1,170,625.58 × 552,994.87
  4. Step 4: Simplify right side
    780,259.71x = 647,349,943,077.90
  5. Step 5: Solve for x
    x = 647,349,943,077.90/780,259.71
  6. Step 6: Final answer
    x = 829,659.58

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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.