Home / 988,022.63-1,363,453.48-558,293.47

Finding the Fourth Proportional to 988,022.63, 1,363,453.48 and 558,293.47

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Solution

The fourth proportional to 988,022.63, 1,363,453.48 and 558,293.47 is: 770,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,022.63 : 1,363,453.48 = 558,293.47 : x
  2. Step 2: Convert to fraction form
    988,022.63/1,363,453.48 = 558,293.47/x
  3. Step 3: Cross multiply
    988,022.63x = 1,363,453.48 × 558,293.47
  4. Step 4: Simplify right side
    988,022.63x = 761,207,174,532.78
  5. Step 5: Solve for x
    x = 761,207,174,532.78/988,022.63
  6. Step 6: Final answer
    x = 770,434.96

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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.