Home / 907,629.17-1,252,915.86-646,153.27

Finding the Fourth Proportional to 907,629.17, 1,252,915.86 and 646,153.27

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Solution

The fourth proportional to 907,629.17, 1,252,915.86 and 646,153.27 is: 891,967.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,629.17 : 1,252,915.86 = 646,153.27 : x
  2. Step 2: Convert to fraction form
    907,629.17/1,252,915.86 = 646,153.27/x
  3. Step 3: Cross multiply
    907,629.17x = 1,252,915.86 × 646,153.27
  4. Step 4: Simplify right side
    907,629.17x = 809,575,679,264.65
  5. Step 5: Solve for x
    x = 809,575,679,264.65/907,629.17
  6. Step 6: Final answer
    x = 891,967.46

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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.