Home / 656,458.74-984,811.64-452,155.68

Finding the Fourth Proportional to 656,458.74, 984,811.64 and 452,155.68

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Solution

The fourth proportional to 656,458.74, 984,811.64 and 452,155.68 is: 678,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,458.74 : 984,811.64 = 452,155.68 : x
  2. Step 2: Convert to fraction form
    656,458.74/984,811.64 = 452,155.68/x
  3. Step 3: Cross multiply
    656,458.74x = 984,811.64 × 452,155.68
  4. Step 4: Simplify right side
    656,458.74x = 445,288,174,495.34
  5. Step 5: Solve for x
    x = 445,288,174,495.34/656,458.74
  6. Step 6: Final answer
    x = 678,318.60

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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.