Home / 716,648.31-1,075,637.07-361,912.05

Finding the Fourth Proportional to 716,648.31, 1,075,637.07 and 361,912.05

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Solution

The fourth proportional to 716,648.31, 1,075,637.07 and 361,912.05 is: 543,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,648.31 : 1,075,637.07 = 361,912.05 : x
  2. Step 2: Convert to fraction form
    716,648.31/1,075,637.07 = 361,912.05/x
  3. Step 3: Cross multiply
    716,648.31x = 1,075,637.07 × 361,912.05
  4. Step 4: Simplify right side
    716,648.31x = 389,286,017,059.69
  5. Step 5: Solve for x
    x = 389,286,017,059.69/716,648.31
  6. Step 6: Final answer
    x = 543,203.70

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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.