Home / 476,434.04-711,223.95-408,231.65

Finding the Fourth Proportional to 476,434.04, 711,223.95 and 408,231.65

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Solution

The fourth proportional to 476,434.04, 711,223.95 and 408,231.65 is: 609,410.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,434.04 : 711,223.95 = 408,231.65 : x
  2. Step 2: Convert to fraction form
    476,434.04/711,223.95 = 408,231.65/x
  3. Step 3: Cross multiply
    476,434.04x = 711,223.95 × 408,231.65
  4. Step 4: Simplify right side
    476,434.04x = 290,344,123,071.90
  5. Step 5: Solve for x
    x = 290,344,123,071.90/476,434.04
  6. Step 6: Final answer
    x = 609,410.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.