Home / 829,478.40-1,244,217.60-811,046.40

Finding the Fourth Proportional to 829,478.40, 1,244,217.60 and 811,046.40

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Solution

The fourth proportional to 829,478.40, 1,244,217.60 and 811,046.40 is: 1,216,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,478.40 : 1,244,217.60 = 811,046.40 : x
  2. Step 2: Convert to fraction form
    829,478.40/1,244,217.60 = 811,046.40/x
  3. Step 3: Cross multiply
    829,478.40x = 1,244,217.60 × 811,046.40
  4. Step 4: Simplify right side
    829,478.40x = 1,009,118,205,296.64
  5. Step 5: Solve for x
    x = 1,009,118,205,296.64/829,478.40
  6. Step 6: Final answer
    x = 1,216,569.60

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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.