Home / 916,772.40-1,265,126.31-508,850.46

Finding the Fourth Proportional to 916,772.40, 1,265,126.31 and 508,850.46

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Solution

The fourth proportional to 916,772.40, 1,265,126.31 and 508,850.46 is: 702,202.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,772.40 : 1,265,126.31 = 508,850.46 : x
  2. Step 2: Convert to fraction form
    916,772.40/1,265,126.31 = 508,850.46/x
  3. Step 3: Cross multiply
    916,772.40x = 1,265,126.31 × 508,850.46
  4. Step 4: Simplify right side
    916,772.40x = 643,760,104,801.60
  5. Step 5: Solve for x
    x = 643,760,104,801.60/916,772.40
  6. Step 6: Final answer
    x = 702,202.75

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1.5x scale

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.