Home / 908,774.03-1,361,666.30-720,444.78

Finding the Fourth Proportional to 908,774.03, 1,361,666.30 and 720,444.78

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Solution

The fourth proportional to 908,774.03, 1,361,666.30 and 720,444.78 is: 1,079,482.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,774.03 : 1,361,666.30 = 720,444.78 : x
  2. Step 2: Convert to fraction form
    908,774.03/1,361,666.30 = 720,444.78/x
  3. Step 3: Cross multiply
    908,774.03x = 1,361,666.30 × 720,444.78
  4. Step 4: Simplify right side
    908,774.03x = 981,005,374,334.69
  5. Step 5: Solve for x
    x = 981,005,374,334.69/908,774.03
  6. Step 6: Final answer
    x = 1,079,482.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.