Home / 908,588.80-1,253,860.84-500,705.28

Finding the Fourth Proportional to 908,588.80, 1,253,860.84 and 500,705.28

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Solution

The fourth proportional to 908,588.80, 1,253,860.84 and 500,705.28 is: 690,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,588.80 : 1,253,860.84 = 500,705.28 : x
  2. Step 2: Convert to fraction form
    908,588.80/1,253,860.84 = 500,705.28/x
  3. Step 3: Cross multiply
    908,588.80x = 1,253,860.84 × 500,705.28
  4. Step 4: Simplify right side
    908,588.80x = 627,814,742,973.24
  5. Step 5: Solve for x
    x = 627,814,742,973.24/908,588.80
  6. Step 6: Final answer
    x = 690,977.86

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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.