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Finding the Fourth Proportional to 569,034.81, 785,258.82 and 310,906.22

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Solution

The fourth proportional to 569,034.81, 785,258.82 and 310,906.22 is: 429,045.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,034.81 : 785,258.82 = 310,906.22 : x
  2. Step 2: Convert to fraction form
    569,034.81/785,258.82 = 310,906.22/x
  3. Step 3: Cross multiply
    569,034.81x = 785,258.82 × 310,906.22
  4. Step 4: Simplify right side
    569,034.81x = 244,141,847,521.57
  5. Step 5: Solve for x
    x = 244,141,847,521.57/569,034.81
  6. Step 6: Final answer
    x = 429,045.54

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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.