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Finding the Fourth Proportional to 839,999, 1,259,998.50 and 249,023

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Solution

The fourth proportional to 839,999, 1,259,998.50 and 249,023 is: 373,534.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,999 : 1,259,998.50 = 249,023 : x
  2. Step 2: Convert to fraction form
    839,999/1,259,998.50 = 249,023/x
  3. Step 3: Cross multiply
    839,999x = 1,259,998.50 × 249,023
  4. Step 4: Simplify right side
    839,999x = 313,768,606,465.50
  5. Step 5: Solve for x
    x = 313,768,606,465.50/839,999
  6. Step 6: Final answer
    x = 373,534.50

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.