Home / 500,185.72-690,256.02-273,831.22

Finding the Fourth Proportional to 500,185.72, 690,256.02 and 273,831.22

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Solution

The fourth proportional to 500,185.72, 690,256.02 and 273,831.22 is: 377,886.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,185.72 : 690,256.02 = 273,831.22 : x
  2. Step 2: Convert to fraction form
    500,185.72/690,256.02 = 273,831.22/x
  3. Step 3: Cross multiply
    500,185.72x = 690,256.02 × 273,831.22
  4. Step 4: Simplify right side
    500,185.72x = 189,013,648,068.94
  5. Step 5: Solve for x
    x = 189,013,648,068.94/500,185.72
  6. Step 6: Final answer
    x = 377,886.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.