Home / 983,595.22-1,475,101.23-422,498.50

Finding the Fourth Proportional to 983,595.22, 1,475,101.23 and 422,498.50

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Solution

The fourth proportional to 983,595.22, 1,475,101.23 and 422,498.50 is: 633,622.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,595.22 : 1,475,101.23 = 422,498.50 : x
  2. Step 2: Convert to fraction form
    983,595.22/1,475,101.23 = 422,498.50/x
  3. Step 3: Cross multiply
    983,595.22x = 1,475,101.23 × 422,498.50
  4. Step 4: Simplify right side
    983,595.22x = 623,228,057,023.16
  5. Step 5: Solve for x
    x = 623,228,057,023.16/983,595.22
  6. Step 6: Final answer
    x = 633,622.49

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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.