Home / 988,013.63-1,363,441.02-558,284.51

Finding the Fourth Proportional to 988,013.63, 1,363,441.02 and 558,284.51

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Solution

The fourth proportional to 988,013.63, 1,363,441.02 and 558,284.51 is: 770,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,013.63 : 1,363,441.02 = 558,284.51 : x
  2. Step 2: Convert to fraction form
    988,013.63/1,363,441.02 = 558,284.51/x
  3. Step 3: Cross multiply
    988,013.63x = 1,363,441.02 × 558,284.51
  4. Step 4: Simplify right side
    988,013.63x = 761,188,001,764.60
  5. Step 5: Solve for x
    x = 761,188,001,764.60/988,013.63
  6. Step 6: Final answer
    x = 770,422.57

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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.