Home / 760,739.47-1,141,220.48-228,302.57

Finding the Fourth Proportional to 760,739.47, 1,141,220.48 and 228,302.57

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Solution

The fourth proportional to 760,739.47, 1,141,220.48 and 228,302.57 is: 342,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,739.47 : 1,141,220.48 = 228,302.57 : x
  2. Step 2: Convert to fraction form
    760,739.47/1,141,220.48 = 228,302.57/x
  3. Step 3: Cross multiply
    760,739.47x = 1,141,220.48 × 228,302.57
  4. Step 4: Simplify right side
    760,739.47x = 260,543,570,232.17
  5. Step 5: Solve for x
    x = 260,543,570,232.17/760,739.47
  6. Step 6: Final answer
    x = 342,487.25

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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.