Home / 988,045.72-1,363,485.17-558,316.60

Finding the Fourth Proportional to 988,045.72, 1,363,485.17 and 558,316.60

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Solution

The fourth proportional to 988,045.72, 1,363,485.17 and 558,316.60 is: 770,466.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,045.72 : 1,363,485.17 = 558,316.60 : x
  2. Step 2: Convert to fraction form
    988,045.72/1,363,485.17 = 558,316.60/x
  3. Step 3: Cross multiply
    988,045.72x = 1,363,485.17 × 558,316.60
  4. Step 4: Simplify right side
    988,045.72x = 761,256,404,264.82
  5. Step 5: Solve for x
    x = 761,256,404,264.82/988,045.72
  6. Step 6: Final answer
    x = 770,466.78

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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.