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Finding the Fourth Proportional to 608,780.82, 840,045.54 and 336,812.79

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Solution

The fourth proportional to 608,780.82, 840,045.54 and 336,812.79 is: 464,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,780.82 : 840,045.54 = 336,812.79 : x
  2. Step 2: Convert to fraction form
    608,780.82/840,045.54 = 336,812.79/x
  3. Step 3: Cross multiply
    608,780.82x = 840,045.54 × 336,812.79
  4. Step 4: Simplify right side
    608,780.82x = 282,938,082,054.46
  5. Step 5: Solve for x
    x = 282,938,082,054.46/608,780.82
  6. Step 6: Final answer
    x = 464,761.82

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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.