Home / 859,639.10-1,289,458.65-228,616.70

Finding the Fourth Proportional to 859,639.10, 1,289,458.65 and 228,616.70

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Solution

The fourth proportional to 859,639.10, 1,289,458.65 and 228,616.70 is: 342,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,639.10 : 1,289,458.65 = 228,616.70 : x
  2. Step 2: Convert to fraction form
    859,639.10/1,289,458.65 = 228,616.70/x
  3. Step 3: Cross multiply
    859,639.10x = 1,289,458.65 × 228,616.70
  4. Step 4: Simplify right side
    859,639.10x = 294,791,781,349.46
  5. Step 5: Solve for x
    x = 294,791,781,349.46/859,639.10
  6. Step 6: Final answer
    x = 342,925.05

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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.