Home / 608,629.20-839,933.02-336,692.40

Finding the Fourth Proportional to 608,629.20, 839,933.02 and 336,692.40

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Solution

The fourth proportional to 608,629.20, 839,933.02 and 336,692.40 is: 464,649.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,629.20 : 839,933.02 = 336,692.40 : x
  2. Step 2: Convert to fraction form
    608,629.20/839,933.02 = 336,692.40/x
  3. Step 3: Cross multiply
    608,629.20x = 839,933.02 × 336,692.40
  4. Step 4: Simplify right side
    608,629.20x = 282,799,064,343.05
  5. Step 5: Solve for x
    x = 282,799,064,343.05/608,629.20
  6. Step 6: Final answer
    x = 464,649.19

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1.5x scale

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.