Home / 983,044.28-1,475,139.60-414,390.60

Finding the Fourth Proportional to 983,044.28, 1,475,139.60 and 414,390.60

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Solution

The fourth proportional to 983,044.28, 1,475,139.60 and 414,390.60 is: 621,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,044.28 : 1,475,139.60 = 414,390.60 : x
  2. Step 2: Convert to fraction form
    983,044.28/1,475,139.60 = 414,390.60/x
  3. Step 3: Cross multiply
    983,044.28x = 1,475,139.60 × 414,390.60
  4. Step 4: Simplify right side
    983,044.28x = 611,283,983,927.76
  5. Step 5: Solve for x
    x = 611,283,983,927.76/983,044.28
  6. Step 6: Final answer
    x = 621,827.52

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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.