Home / 664,802.40-996,037.20-545,829.60

Finding the Fourth Proportional to 664,802.40, 996,037.20 and 545,829.60

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Solution

The fourth proportional to 664,802.40, 996,037.20 and 545,829.60 is: 817,786.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,802.40 : 996,037.20 = 545,829.60 : x
  2. Step 2: Convert to fraction form
    664,802.40/996,037.20 = 545,829.60/x
  3. Step 3: Cross multiply
    664,802.40x = 996,037.20 × 545,829.60
  4. Step 4: Simplify right side
    664,802.40x = 543,666,586,461.12
  5. Step 5: Solve for x
    x = 543,666,586,461.12/664,802.40
  6. Step 6: Final answer
    x = 817,786.74

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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.