Home / 760,102.22-1,140,330.74-220,369.74

Finding the Fourth Proportional to 760,102.22, 1,140,330.74 and 220,369.74

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Solution

The fourth proportional to 760,102.22, 1,140,330.74 and 220,369.74 is: 330,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,102.22 : 1,140,330.74 = 220,369.74 : x
  2. Step 2: Convert to fraction form
    760,102.22/1,140,330.74 = 220,369.74/x
  3. Step 3: Cross multiply
    760,102.22x = 1,140,330.74 × 220,369.74
  4. Step 4: Simplify right side
    760,102.22x = 251,294,387,585.96
  5. Step 5: Solve for x
    x = 251,294,387,585.96/760,102.22
  6. Step 6: Final answer
    x = 330,606.05

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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.