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Finding the Fourth Proportional to 500,337.65, 690,465.05 and 270,894.91

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Solution

The fourth proportional to 500,337.65, 690,465.05 and 270,894.91 is: 373,834.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,337.65 : 690,465.05 = 270,894.91 : x
  2. Step 2: Convert to fraction form
    500,337.65/690,465.05 = 270,894.91/x
  3. Step 3: Cross multiply
    500,337.65x = 690,465.05 × 270,894.91
  4. Step 4: Simplify right side
    500,337.65x = 187,043,464,497.26
  5. Step 5: Solve for x
    x = 187,043,464,497.26/500,337.65
  6. Step 6: Final answer
    x = 373,834.48

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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.