Home / 855,280.48-1,180,306.32-553,998.88

Finding the Fourth Proportional to 855,280.48, 1,180,306.32 and 553,998.88

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Solution

The fourth proportional to 855,280.48, 1,180,306.32 and 553,998.88 is: 764,530.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,280.48 : 1,180,306.32 = 553,998.88 : x
  2. Step 2: Convert to fraction form
    855,280.48/1,180,306.32 = 553,998.88/x
  3. Step 3: Cross multiply
    855,280.48x = 1,180,306.32 × 553,998.88
  4. Step 4: Simplify right side
    855,280.48x = 653,888,379,336.92
  5. Step 5: Solve for x
    x = 653,888,379,336.92/855,280.48
  6. Step 6: Final answer
    x = 764,530.93

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Double scale
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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.