Home / 988,384.23-1,363,958.06-535,665.51

Finding the Fourth Proportional to 988,384.23, 1,363,958.06 and 535,665.51

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Solution

The fourth proportional to 988,384.23, 1,363,958.06 and 535,665.51 is: 739,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,384.23 : 1,363,958.06 = 535,665.51 : x
  2. Step 2: Convert to fraction form
    988,384.23/1,363,958.06 = 535,665.51/x
  3. Step 3: Cross multiply
    988,384.23x = 1,363,958.06 × 535,665.51
  4. Step 4: Simplify right side
    988,384.23x = 730,625,287,150.18
  5. Step 5: Solve for x
    x = 730,625,287,150.18/988,384.23
  6. Step 6: Final answer
    x = 739,211.80

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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.