Home / 880,795.60-1,215,423.69-488,339.03

Finding the Fourth Proportional to 880,795.60, 1,215,423.69 and 488,339.03

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Solution

The fourth proportional to 880,795.60, 1,215,423.69 and 488,339.03 is: 673,866.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,795.60 : 1,215,423.69 = 488,339.03 : x
  2. Step 2: Convert to fraction form
    880,795.60/1,215,423.69 = 488,339.03/x
  3. Step 3: Cross multiply
    880,795.60x = 1,215,423.69 × 488,339.03
  4. Step 4: Simplify right side
    880,795.60x = 593,538,825,813.62
  5. Step 5: Solve for x
    x = 593,538,825,813.62/880,795.60
  6. Step 6: Final answer
    x = 673,866.70

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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.