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Finding the Fourth Proportional to 608,990.65, 840,384.14 and 333,354.84

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Solution

The fourth proportional to 608,990.65, 840,384.14 and 333,354.84 is: 460,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,990.65 : 840,384.14 = 333,354.84 : x
  2. Step 2: Convert to fraction form
    608,990.65/840,384.14 = 333,354.84/x
  3. Step 3: Cross multiply
    608,990.65x = 840,384.14 × 333,354.84
  4. Step 4: Simplify right side
    608,990.65x = 280,146,121,374.74
  5. Step 5: Solve for x
    x = 280,146,121,374.74/608,990.65
  6. Step 6: Final answer
    x = 460,017.11

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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.