Home / 723,431.01-1,085,040.87-210,958.45

Finding the Fourth Proportional to 723,431.01, 1,085,040.87 and 210,958.45

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Solution

The fourth proportional to 723,431.01, 1,085,040.87 and 210,958.45 is: 316,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,431.01 : 1,085,040.87 = 210,958.45 : x
  2. Step 2: Convert to fraction form
    723,431.01/1,085,040.87 = 210,958.45/x
  3. Step 3: Cross multiply
    723,431.01x = 1,085,040.87 × 210,958.45
  4. Step 4: Simplify right side
    723,431.01x = 228,898,533,641.86
  5. Step 5: Solve for x
    x = 228,898,533,641.86/723,431.01
  6. Step 6: Final answer
    x = 316,406.86

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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.