Home / 887,831.55-1,330,216.43-413,544.15

Finding the Fourth Proportional to 887,831.55, 1,330,216.43 and 413,544.15

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Solution

The fourth proportional to 887,831.55, 1,330,216.43 and 413,544.15 is: 619,603.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,831.55 : 1,330,216.43 = 413,544.15 : x
  2. Step 2: Convert to fraction form
    887,831.55/1,330,216.43 = 413,544.15/x
  3. Step 3: Cross multiply
    887,831.55x = 1,330,216.43 × 413,544.15
  4. Step 4: Simplify right side
    887,831.55x = 550,103,220,792.66
  5. Step 5: Solve for x
    x = 550,103,220,792.66/887,831.55
  6. Step 6: Final answer
    x = 619,603.15

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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.