Home / 917,263.26-1,265,619.47-554,679.52

Finding the Fourth Proportional to 917,263.26, 1,265,619.47 and 554,679.52

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Solution

The fourth proportional to 917,263.26, 1,265,619.47 and 554,679.52 is: 765,334.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,263.26 : 1,265,619.47 = 554,679.52 : x
  2. Step 2: Convert to fraction form
    917,263.26/1,265,619.47 = 554,679.52/x
  3. Step 3: Cross multiply
    917,263.26x = 1,265,619.47 × 554,679.52
  4. Step 4: Simplify right side
    917,263.26x = 702,013,194,184.81
  5. Step 5: Solve for x
    x = 702,013,194,184.81/917,263.26
  6. Step 6: Final answer
    x = 765,334.47

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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.