Home / 806,100.90-1,210,082.55-432,852.90

Finding the Fourth Proportional to 806,100.90, 1,210,082.55 and 432,852.90

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Solution

The fourth proportional to 806,100.90, 1,210,082.55 and 432,852.90 is: 649,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,100.90 : 1,210,082.55 = 432,852.90 : x
  2. Step 2: Convert to fraction form
    806,100.90/1,210,082.55 = 432,852.90/x
  3. Step 3: Cross multiply
    806,100.90x = 1,210,082.55 × 432,852.90
  4. Step 4: Simplify right side
    806,100.90x = 523,787,741,006.90
  5. Step 5: Solve for x
    x = 523,787,741,006.90/806,100.90
  6. Step 6: Final answer
    x = 649,779.38

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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.