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Finding the Fourth Proportional to 570,282.81, 786,936.94 and 340,794.55

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Solution

The fourth proportional to 570,282.81, 786,936.94 and 340,794.55 is: 470,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,282.81 : 786,936.94 = 340,794.55 : x
  2. Step 2: Convert to fraction form
    570,282.81/786,936.94 = 340,794.55/x
  3. Step 3: Cross multiply
    570,282.81x = 786,936.94 × 340,794.55
  4. Step 4: Simplify right side
    570,282.81x = 268,183,820,345.68
  5. Step 5: Solve for x
    x = 268,183,820,345.68/570,282.81
  6. Step 6: Final answer
    x = 470,264.60

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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.