Home / 740,322.18-1,110,505.95-253,997.51

Finding the Fourth Proportional to 740,322.18, 1,110,505.95 and 253,997.51

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Solution

The fourth proportional to 740,322.18, 1,110,505.95 and 253,997.51 is: 381,004.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,322.18 : 1,110,505.95 = 253,997.51 : x
  2. Step 2: Convert to fraction form
    740,322.18/1,110,505.95 = 253,997.51/x
  3. Step 3: Cross multiply
    740,322.18x = 1,110,505.95 × 253,997.51
  4. Step 4: Simplify right side
    740,322.18x = 282,065,740,587.66
  5. Step 5: Solve for x
    x = 282,065,740,587.66/740,322.18
  6. Step 6: Final answer
    x = 381,004.04

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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.