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Finding the Fourth Proportional to 608,356.17, 839,563.38 and 350,272.35

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Solution

The fourth proportional to 608,356.17, 839,563.38 and 350,272.35 is: 483,394.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,356.17 : 839,563.38 = 350,272.35 : x
  2. Step 2: Convert to fraction form
    608,356.17/839,563.38 = 350,272.35/x
  3. Step 3: Cross multiply
    608,356.17x = 839,563.38 × 350,272.35
  4. Step 4: Simplify right side
    608,356.17x = 294,075,838,086.54
  5. Step 5: Solve for x
    x = 294,075,838,086.54/608,356.17
  6. Step 6: Final answer
    x = 483,394.19

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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.