Home / 988,767.20-1,364,501.76-536,058.56

Finding the Fourth Proportional to 988,767.20, 1,364,501.76 and 536,058.56

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Solution

The fourth proportional to 988,767.20, 1,364,501.76 and 536,058.56 is: 739,762.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,767.20 : 1,364,501.76 = 536,058.56 : x
  2. Step 2: Convert to fraction form
    988,767.20/1,364,501.76 = 536,058.56/x
  3. Step 3: Cross multiply
    988,767.20x = 1,364,501.76 × 536,058.56
  4. Step 4: Simplify right side
    988,767.20x = 731,452,848,583.07
  5. Step 5: Solve for x
    x = 731,452,848,583.07/988,767.20
  6. Step 6: Final answer
    x = 739,762.45

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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.