Home / 983,921.60-1,476,086.63-415,307.48

Finding the Fourth Proportional to 983,921.60, 1,476,086.63 and 415,307.48

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Solution

The fourth proportional to 983,921.60, 1,476,086.63 and 415,307.48 is: 623,047.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,921.60 : 1,476,086.63 = 415,307.48 : x
  2. Step 2: Convert to fraction form
    983,921.60/1,476,086.63 = 415,307.48/x
  3. Step 3: Cross multiply
    983,921.60x = 1,476,086.63 × 415,307.48
  4. Step 4: Simplify right side
    983,921.60x = 613,029,809,110.02
  5. Step 5: Solve for x
    x = 613,029,809,110.02/983,921.60
  6. Step 6: Final answer
    x = 623,047.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.