Home / 754,278.39-1,130,670.23-354,203.01

Finding the Fourth Proportional to 754,278.39, 1,130,670.23 and 354,203.01

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Solution

The fourth proportional to 754,278.39, 1,130,670.23 and 354,203.01 is: 530,953.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,278.39 : 1,130,670.23 = 354,203.01 : x
  2. Step 2: Convert to fraction form
    754,278.39/1,130,670.23 = 354,203.01/x
  3. Step 3: Cross multiply
    754,278.39x = 1,130,670.23 × 354,203.01
  4. Step 4: Simplify right side
    754,278.39x = 400,486,797,012.38
  5. Step 5: Solve for x
    x = 400,486,797,012.38/754,278.39
  6. Step 6: Final answer
    x = 530,953.56

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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.