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Finding the Fourth Proportional to 500,017.44, 690,025.92 and 270,574.74

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Solution

The fourth proportional to 500,017.44, 690,025.92 and 270,574.74 is: 373,394.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,017.44 : 690,025.92 = 270,574.74 : x
  2. Step 2: Convert to fraction form
    500,017.44/690,025.92 = 270,574.74/x
  3. Step 3: Cross multiply
    500,017.44x = 690,025.92 × 270,574.74
  4. Step 4: Simplify right side
    500,017.44x = 186,703,583,897.26
  5. Step 5: Solve for x
    x = 186,703,583,897.26/500,017.44
  6. Step 6: Final answer
    x = 373,394.14

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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.