Home / 908,774.54-1,361,667.05-720,445.28

Finding the Fourth Proportional to 908,774.54, 1,361,667.05 and 720,445.28

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Solution

The fourth proportional to 908,774.54, 1,361,667.05 and 720,445.28 is: 1,079,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,774.54 : 1,361,667.05 = 720,445.28 : x
  2. Step 2: Convert to fraction form
    908,774.54/1,361,667.05 = 720,445.28/x
  3. Step 3: Cross multiply
    908,774.54x = 1,361,667.05 × 720,445.28
  4. Step 4: Simplify right side
    908,774.54x = 981,006,595,501.80
  5. Step 5: Solve for x
    x = 981,006,595,501.80/908,774.54
  6. Step 6: Final answer
    x = 1,079,482.93

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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.