Home / 494,862.20-741,637.20-438,437.60

Finding the Fourth Proportional to 494,862.20, 741,637.20 and 438,437.60

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Solution

The fourth proportional to 494,862.20, 741,637.20 and 438,437.60 is: 657,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,862.20 : 741,637.20 = 438,437.60 : x
  2. Step 2: Convert to fraction form
    494,862.20/741,637.20 = 438,437.60/x
  3. Step 3: Cross multiply
    494,862.20x = 741,637.20 × 438,437.60
  4. Step 4: Simplify right side
    494,862.20x = 325,161,634,038.72
  5. Step 5: Solve for x
    x = 325,161,634,038.72/494,862.20
  6. Step 6: Final answer
    x = 657,075.11

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1.5x scale

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.