Home / 905,935.50-1,250,268.75-503,605.26

Finding the Fourth Proportional to 905,935.50, 1,250,268.75 and 503,605.26

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Solution

The fourth proportional to 905,935.50, 1,250,268.75 and 503,605.26 is: 695,018.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,935.50 : 1,250,268.75 = 503,605.26 : x
  2. Step 2: Convert to fraction form
    905,935.50/1,250,268.75 = 503,605.26/x
  3. Step 3: Cross multiply
    905,935.50x = 1,250,268.75 × 503,605.26
  4. Step 4: Simplify right side
    905,935.50x = 629,641,918,913.63
  5. Step 5: Solve for x
    x = 629,641,918,913.63/905,935.50
  6. Step 6: Final answer
    x = 695,018.49

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Double scale
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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.