Home / 908,756.91-1,254,033.36-500,857.52

Finding the Fourth Proportional to 908,756.91, 1,254,033.36 and 500,857.52

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Solution

The fourth proportional to 908,756.91, 1,254,033.36 and 500,857.52 is: 691,155.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,756.91 : 1,254,033.36 = 500,857.52 : x
  2. Step 2: Convert to fraction form
    908,756.91/1,254,033.36 = 500,857.52/x
  3. Step 3: Cross multiply
    908,756.91x = 1,254,033.36 × 500,857.52
  4. Step 4: Simplify right side
    908,756.91x = 628,092,032,416.70
  5. Step 5: Solve for x
    x = 628,092,032,416.70/908,756.91
  6. Step 6: Final answer
    x = 691,155.17

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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.