Home / 806,049.40-1,210,005.30-432,801.40

Finding the Fourth Proportional to 806,049.40, 1,210,005.30 and 432,801.40

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Solution

The fourth proportional to 806,049.40, 1,210,005.30 and 432,801.40 is: 649,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,049.40 : 1,210,005.30 = 432,801.40 : x
  2. Step 2: Convert to fraction form
    806,049.40/1,210,005.30 = 432,801.40/x
  3. Step 3: Cross multiply
    806,049.40x = 1,210,005.30 × 432,801.40
  4. Step 4: Simplify right side
    806,049.40x = 523,691,987,847.42
  5. Step 5: Solve for x
    x = 523,691,987,847.42/806,049.40
  6. Step 6: Final answer
    x = 649,702.10

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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.