Home / 833,401.48-1,249,527.74-328,020.48

Finding the Fourth Proportional to 833,401.48, 1,249,527.74 and 328,020.48

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Solution

The fourth proportional to 833,401.48, 1,249,527.74 and 328,020.48 is: 491,804.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,401.48 : 1,249,527.74 = 328,020.48 : x
  2. Step 2: Convert to fraction form
    833,401.48/1,249,527.74 = 328,020.48/x
  3. Step 3: Cross multiply
    833,401.48x = 1,249,527.74 × 328,020.48
  4. Step 4: Simplify right side
    833,401.48x = 409,870,689,048.12
  5. Step 5: Solve for x
    x = 409,870,689,048.12/833,401.48
  6. Step 6: Final answer
    x = 491,804.61

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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.