Home / 933,987.60-1,401,418.80-485,215.20

Finding the Fourth Proportional to 933,987.60, 1,401,418.80 and 485,215.20

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Solution

The fourth proportional to 933,987.60, 1,401,418.80 and 485,215.20 is: 728,050.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,987.60 : 1,401,418.80 = 485,215.20 : x
  2. Step 2: Convert to fraction form
    933,987.60/1,401,418.80 = 485,215.20/x
  3. Step 3: Cross multiply
    933,987.60x = 1,401,418.80 × 485,215.20
  4. Step 4: Simplify right side
    933,987.60x = 679,989,703,325.76
  5. Step 5: Solve for x
    x = 679,989,703,325.76/933,987.60
  6. Step 6: Final answer
    x = 728,050.03

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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.