Home / 988,028.64-1,363,461.74-558,299.48

Finding the Fourth Proportional to 988,028.64, 1,363,461.74 and 558,299.48

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Solution

The fourth proportional to 988,028.64, 1,363,461.74 and 558,299.48 is: 770,443.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,028.64 : 1,363,461.74 = 558,299.48 : x
  2. Step 2: Convert to fraction form
    988,028.64/1,363,461.74 = 558,299.48/x
  3. Step 3: Cross multiply
    988,028.64x = 1,363,461.74 × 558,299.48
  4. Step 4: Simplify right side
    988,028.64x = 761,219,980,441.90
  5. Step 5: Solve for x
    x = 761,219,980,441.90/988,028.64
  6. Step 6: Final answer
    x = 770,443.23

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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.