Home / 917,028-1,265,615.28-514,620

Finding the Fourth Proportional to 917,028, 1,265,615.28 and 514,620

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Solution

The fourth proportional to 917,028, 1,265,615.28 and 514,620 is: 710,241.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,028 : 1,265,615.28 = 514,620 : x
  2. Step 2: Convert to fraction form
    917,028/1,265,615.28 = 514,620/x
  3. Step 3: Cross multiply
    917,028x = 1,265,615.28 × 514,620
  4. Step 4: Simplify right side
    917,028x = 651,310,935,393.60
  5. Step 5: Solve for x
    x = 651,310,935,393.60/917,028
  6. Step 6: Final answer
    x = 710,241.06

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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.