Home / 833,067.18-1,249,342.28-300,518.71

Finding the Fourth Proportional to 833,067.18, 1,249,342.28 and 300,518.71

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Solution

The fourth proportional to 833,067.18, 1,249,342.28 and 300,518.71 is: 450,684.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,067.18 : 1,249,342.28 = 300,518.71 : x
  2. Step 2: Convert to fraction form
    833,067.18/1,249,342.28 = 300,518.71/x
  3. Step 3: Cross multiply
    833,067.18x = 1,249,342.28 × 300,518.71
  4. Step 4: Simplify right side
    833,067.18x = 375,450,726,835.06
  5. Step 5: Solve for x
    x = 375,450,726,835.06/833,067.18
  6. Step 6: Final answer
    x = 450,684.81

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1.5x scale

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.