Home / 859,552.70-1,289,329.05-228,530.30

Finding the Fourth Proportional to 859,552.70, 1,289,329.05 and 228,530.30

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Solution

The fourth proportional to 859,552.70, 1,289,329.05 and 228,530.30 is: 342,795.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,552.70 : 1,289,329.05 = 228,530.30 : x
  2. Step 2: Convert to fraction form
    859,552.70/1,289,329.05 = 228,530.30/x
  3. Step 3: Cross multiply
    859,552.70x = 1,289,329.05 × 228,530.30
  4. Step 4: Simplify right side
    859,552.70x = 294,650,754,595.22
  5. Step 5: Solve for x
    x = 294,650,754,595.22/859,552.70
  6. Step 6: Final answer
    x = 342,795.45

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Double scale
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Similar ratio
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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.