Home / 916,751.90-1,265,098.02-508,829.96

Finding the Fourth Proportional to 916,751.90, 1,265,098.02 and 508,829.96

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Solution

The fourth proportional to 916,751.90, 1,265,098.02 and 508,829.96 is: 702,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,751.90 : 1,265,098.02 = 508,829.96 : x
  2. Step 2: Convert to fraction form
    916,751.90/1,265,098.02 = 508,829.96/x
  3. Step 3: Cross multiply
    916,751.90x = 1,265,098.02 × 508,829.96
  4. Step 4: Simplify right side
    916,751.90x = 643,719,774,912.68
  5. Step 5: Solve for x
    x = 643,719,774,912.68/916,751.90
  6. Step 6: Final answer
    x = 702,174.46

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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.