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Finding the Fourth Proportional to 508,703.73, 701,985.38 and 301,980.96

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Solution

The fourth proportional to 508,703.73, 701,985.38 and 301,980.96 is: 416,718.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,703.73 : 701,985.38 = 301,980.96 : x
  2. Step 2: Convert to fraction form
    508,703.73/701,985.38 = 301,980.96/x
  3. Step 3: Cross multiply
    508,703.73x = 701,985.38 × 301,980.96
  4. Step 4: Simplify right side
    508,703.73x = 211,986,217,448.46
  5. Step 5: Solve for x
    x = 211,986,217,448.46/508,703.73
  6. Step 6: Final answer
    x = 416,718.43

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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.