Home / 833,119.86-1,249,421.48-300,571.68

Finding the Fourth Proportional to 833,119.86, 1,249,421.48 and 300,571.68

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Solution

The fourth proportional to 833,119.86, 1,249,421.48 and 300,571.68 is: 450,764.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,119.86 : 1,249,421.48 = 300,571.68 : x
  2. Step 2: Convert to fraction form
    833,119.86/1,249,421.48 = 300,571.68/x
  3. Step 3: Cross multiply
    833,119.86x = 1,249,421.48 × 300,571.68
  4. Step 4: Simplify right side
    833,119.86x = 375,540,713,271.69
  5. Step 5: Solve for x
    x = 375,540,713,271.69/833,119.86
  6. Step 6: Final answer
    x = 450,764.33

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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.