Home / 908,700.68-1,254,015.24-500,817.08

Finding the Fourth Proportional to 908,700.68, 1,254,015.24 and 500,817.08

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Solution

The fourth proportional to 908,700.68, 1,254,015.24 and 500,817.08 is: 691,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,700.68 : 1,254,015.24 = 500,817.08 : x
  2. Step 2: Convert to fraction form
    908,700.68/1,254,015.24 = 500,817.08/x
  3. Step 3: Cross multiply
    908,700.68x = 1,254,015.24 × 500,817.08
  4. Step 4: Simplify right side
    908,700.68x = 628,032,250,772.30
  5. Step 5: Solve for x
    x = 628,032,250,772.30/908,700.68
  6. Step 6: Final answer
    x = 691,132.15

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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.