Home / 908,702.94-1,254,018.68-500,819.75

Finding the Fourth Proportional to 908,702.94, 1,254,018.68 and 500,819.75

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Solution

The fourth proportional to 908,702.94, 1,254,018.68 and 500,819.75 is: 691,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,702.94 : 1,254,018.68 = 500,819.75 : x
  2. Step 2: Convert to fraction form
    908,702.94/1,254,018.68 = 500,819.75/x
  3. Step 3: Cross multiply
    908,702.94x = 1,254,018.68 × 500,819.75
  4. Step 4: Simplify right side
    908,702.94x = 628,037,321,812.93
  5. Step 5: Solve for x
    x = 628,037,321,812.93/908,702.94
  6. Step 6: Final answer
    x = 691,136.01

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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.