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Finding the Fourth Proportional to 504,740.98, 696,370.26 and 286,927.66

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Solution

The fourth proportional to 504,740.98, 696,370.26 and 286,927.66 is: 395,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,740.98 : 696,370.26 = 286,927.66 : x
  2. Step 2: Convert to fraction form
    504,740.98/696,370.26 = 286,927.66/x
  3. Step 3: Cross multiply
    504,740.98x = 696,370.26 × 286,927.66
  4. Step 4: Simplify right side
    504,740.98x = 199,807,889,195.39
  5. Step 5: Solve for x
    x = 199,807,889,195.39/504,740.98
  6. Step 6: Final answer
    x = 395,862.23

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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.