Home / 987,931.19-1,363,346.43-535,222.19

Finding the Fourth Proportional to 987,931.19, 1,363,346.43 and 535,222.19

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Solution

The fourth proportional to 987,931.19, 1,363,346.43 and 535,222.19 is: 738,607.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,931.19 : 1,363,346.43 = 535,222.19 : x
  2. Step 2: Convert to fraction form
    987,931.19/1,363,346.43 = 535,222.19/x
  3. Step 3: Cross multiply
    987,931.19x = 1,363,346.43 × 535,222.19
  4. Step 4: Simplify right side
    987,931.19x = 729,693,261,993.28
  5. Step 5: Solve for x
    x = 729,693,261,993.28/987,931.19
  6. Step 6: Final answer
    x = 738,607.37

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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.