Home / 470,350.26-649,084.59-255,488.58

Finding the Fourth Proportional to 470,350.26, 649,084.59 and 255,488.58

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Solution

The fourth proportional to 470,350.26, 649,084.59 and 255,488.58 is: 352,574.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,350.26 : 649,084.59 = 255,488.58 : x
  2. Step 2: Convert to fraction form
    470,350.26/649,084.59 = 255,488.58/x
  3. Step 3: Cross multiply
    470,350.26x = 649,084.59 × 255,488.58
  4. Step 4: Simplify right side
    470,350.26x = 165,833,700,198.98
  5. Step 5: Solve for x
    x = 165,833,700,198.98/470,350.26
  6. Step 6: Final answer
    x = 352,574.91

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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.