Home / 608,625.69-839,928.18-336,688.89

Finding the Fourth Proportional to 608,625.69, 839,928.18 and 336,688.89

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Solution

The fourth proportional to 608,625.69, 839,928.18 and 336,688.89 is: 464,644.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,625.69 : 839,928.18 = 336,688.89 : x
  2. Step 2: Convert to fraction form
    608,625.69/839,928.18 = 336,688.89/x
  3. Step 3: Cross multiply
    608,625.69x = 839,928.18 × 336,688.89
  4. Step 4: Simplify right side
    608,625.69x = 282,794,486,603.92
  5. Step 5: Solve for x
    x = 282,794,486,603.92/608,625.69
  6. Step 6: Final answer
    x = 464,644.35

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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.