Home / 989,433.94-1,365,419.28-559,704.91

Finding the Fourth Proportional to 989,433.94, 1,365,419.28 and 559,704.91

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Solution

The fourth proportional to 989,433.94, 1,365,419.28 and 559,704.91 is: 772,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,433.94 : 1,365,419.28 = 559,704.91 : x
  2. Step 2: Convert to fraction form
    989,433.94/1,365,419.28 = 559,704.91/x
  3. Step 3: Cross multiply
    989,433.94x = 1,365,419.28 × 559,704.91
  4. Step 4: Simplify right side
    989,433.94x = 764,231,875,224.67
  5. Step 5: Solve for x
    x = 764,231,875,224.67/989,433.94
  6. Step 6: Final answer
    x = 772,393.03

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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.