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Finding the Fourth Proportional to 670,494.57, 925,282.52 and 368,688.57

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Solution

The fourth proportional to 670,494.57, 925,282.52 and 368,688.57 is: 508,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,494.57 : 925,282.52 = 368,688.57 : x
  2. Step 2: Convert to fraction form
    670,494.57/925,282.52 = 368,688.57/x
  3. Step 3: Cross multiply
    670,494.57x = 925,282.52 × 368,688.57
  4. Step 4: Simplify right side
    670,494.57x = 341,141,087,301.35
  5. Step 5: Solve for x
    x = 341,141,087,301.35/670,494.57
  6. Step 6: Final answer
    x = 508,790.23

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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.