Home / 905,977.02-1,250,216.43-498,075.93

Finding the Fourth Proportional to 905,977.02, 1,250,216.43 and 498,075.93

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Solution

The fourth proportional to 905,977.02, 1,250,216.43 and 498,075.93 is: 687,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,977.02 : 1,250,216.43 = 498,075.93 : x
  2. Step 2: Convert to fraction form
    905,977.02/1,250,216.43 = 498,075.93/x
  3. Step 3: Cross multiply
    905,977.02x = 1,250,216.43 × 498,075.93
  4. Step 4: Simplify right side
    905,977.02x = 622,702,711,073.53
  5. Step 5: Solve for x
    x = 622,702,711,073.53/905,977.02
  6. Step 6: Final answer
    x = 687,327.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.