Home / 879,625.17-1,213,997.22-492,588.14

Finding the Fourth Proportional to 879,625.17, 1,213,997.22 and 492,588.14

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Solution

The fourth proportional to 879,625.17, 1,213,997.22 and 492,588.14 is: 679,835.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,625.17 : 1,213,997.22 = 492,588.14 : x
  2. Step 2: Convert to fraction form
    879,625.17/1,213,997.22 = 492,588.14/x
  3. Step 3: Cross multiply
    879,625.17x = 1,213,997.22 × 492,588.14
  4. Step 4: Simplify right side
    879,625.17x = 598,000,626,494.99
  5. Step 5: Solve for x
    x = 598,000,626,494.99/879,625.17
  6. Step 6: Final answer
    x = 679,835.74

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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.