Home / 983,418.84-1,357,012.44-553,691.16

Finding the Fourth Proportional to 983,418.84, 1,357,012.44 and 553,691.16

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Solution

The fourth proportional to 983,418.84, 1,357,012.44 and 553,691.16 is: 764,034.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,418.84 : 1,357,012.44 = 553,691.16 : x
  2. Step 2: Convert to fraction form
    983,418.84/1,357,012.44 = 553,691.16/x
  3. Step 3: Cross multiply
    983,418.84x = 1,357,012.44 × 553,691.16
  4. Step 4: Simplify right side
    983,418.84x = 751,365,792,038.03
  5. Step 5: Solve for x
    x = 751,365,792,038.03/983,418.84
  6. Step 6: Final answer
    x = 764,034.37

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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.