Home / 989,567.46-1,365,731.70-554,150.58

Finding the Fourth Proportional to 989,567.46, 1,365,731.70 and 554,150.58

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Solution

The fourth proportional to 989,567.46, 1,365,731.70 and 554,150.58 is: 764,799.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,567.46 : 1,365,731.70 = 554,150.58 : x
  2. Step 2: Convert to fraction form
    989,567.46/1,365,731.70 = 554,150.58/x
  3. Step 3: Cross multiply
    989,567.46x = 1,365,731.70 × 554,150.58
  4. Step 4: Simplify right side
    989,567.46x = 756,821,013,679.39
  5. Step 5: Solve for x
    x = 756,821,013,679.39/989,567.46
  6. Step 6: Final answer
    x = 764,799.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.