Home / 859,565.34-1,289,346.60-228,479.16

Finding the Fourth Proportional to 859,565.34, 1,289,346.60 and 228,479.16

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Solution

The fourth proportional to 859,565.34, 1,289,346.60 and 228,479.16 is: 342,718.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,565.34 : 1,289,346.60 = 228,479.16 : x
  2. Step 2: Convert to fraction form
    859,565.34/1,289,346.60 = 228,479.16/x
  3. Step 3: Cross multiply
    859,565.34x = 1,289,346.60 × 228,479.16
  4. Step 4: Simplify right side
    859,565.34x = 294,588,828,116.86
  5. Step 5: Solve for x
    x = 294,588,828,116.86/859,565.34
  6. Step 6: Final answer
    x = 342,718.37

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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.