Home / 833,120.86-1,249,422.98-300,572.68

Finding the Fourth Proportional to 833,120.86, 1,249,422.98 and 300,572.68

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Solution

The fourth proportional to 833,120.86, 1,249,422.98 and 300,572.68 is: 450,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,120.86 : 1,249,422.98 = 300,572.68 : x
  2. Step 2: Convert to fraction form
    833,120.86/1,249,422.98 = 300,572.68/x
  3. Step 3: Cross multiply
    833,120.86x = 1,249,422.98 × 300,572.68
  4. Step 4: Simplify right side
    833,120.86x = 375,542,413,552.19
  5. Step 5: Solve for x
    x = 375,542,413,552.19/833,120.86
  6. Step 6: Final answer
    x = 450,765.83

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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.