Home / 674,611.95-1,011,917.93-253,982.19

Finding the Fourth Proportional to 674,611.95, 1,011,917.93 and 253,982.19

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Solution

The fourth proportional to 674,611.95, 1,011,917.93 and 253,982.19 is: 380,973.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,611.95 : 1,011,917.93 = 253,982.19 : x
  2. Step 2: Convert to fraction form
    674,611.95/1,011,917.93 = 253,982.19/x
  3. Step 3: Cross multiply
    674,611.95x = 1,011,917.93 × 253,982.19
  4. Step 4: Simplify right side
    674,611.95x = 257,009,130,691.76
  5. Step 5: Solve for x
    x = 257,009,130,691.76/674,611.95
  6. Step 6: Final answer
    x = 380,973.29

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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.