Home / 808,411.60-1,212,617.40-556,469.20

Finding the Fourth Proportional to 808,411.60, 1,212,617.40 and 556,469.20

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Solution

The fourth proportional to 808,411.60, 1,212,617.40 and 556,469.20 is: 834,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,411.60 : 1,212,617.40 = 556,469.20 : x
  2. Step 2: Convert to fraction form
    808,411.60/1,212,617.40 = 556,469.20/x
  3. Step 3: Cross multiply
    808,411.60x = 1,212,617.40 × 556,469.20
  4. Step 4: Simplify right side
    808,411.60x = 674,784,234,484.08
  5. Step 5: Solve for x
    x = 674,784,234,484.08/808,411.60
  6. Step 6: Final answer
    x = 834,703.80

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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.