Home / 713,929.02-985,605.78-551,427.36

Finding the Fourth Proportional to 713,929.02, 985,605.78 and 551,427.36

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Solution

The fourth proportional to 713,929.02, 985,605.78 and 551,427.36 is: 761,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,929.02 : 985,605.78 = 551,427.36 : x
  2. Step 2: Convert to fraction form
    713,929.02/985,605.78 = 551,427.36/x
  3. Step 3: Cross multiply
    713,929.02x = 985,605.78 × 551,427.36
  4. Step 4: Simplify right side
    713,929.02x = 543,489,993,266.14
  5. Step 5: Solve for x
    x = 543,489,993,266.14/713,929.02
  6. Step 6: Final answer
    x = 761,266.15

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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.