Home / 808,532.20-1,212,798.30-572,141.80

Finding the Fourth Proportional to 808,532.20, 1,212,798.30 and 572,141.80

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Solution

The fourth proportional to 808,532.20, 1,212,798.30 and 572,141.80 is: 858,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,532.20 : 1,212,798.30 = 572,141.80 : x
  2. Step 2: Convert to fraction form
    808,532.20/1,212,798.30 = 572,141.80/x
  3. Step 3: Cross multiply
    808,532.20x = 1,212,798.30 × 572,141.80
  4. Step 4: Simplify right side
    808,532.20x = 693,892,602,398.94
  5. Step 5: Solve for x
    x = 693,892,602,398.94/808,532.20
  6. Step 6: Final answer
    x = 858,212.70

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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.