Home / 855,711.46-1,180,836.86-468,452.69

Finding the Fourth Proportional to 855,711.46, 1,180,836.86 and 468,452.69

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Solution

The fourth proportional to 855,711.46, 1,180,836.86 and 468,452.69 is: 646,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,711.46 : 1,180,836.86 = 468,452.69 : x
  2. Step 2: Convert to fraction form
    855,711.46/1,180,836.86 = 468,452.69/x
  3. Step 3: Cross multiply
    855,711.46x = 1,180,836.86 × 468,452.69
  4. Step 4: Simplify right side
    855,711.46x = 553,166,203,518.15
  5. Step 5: Solve for x
    x = 553,166,203,518.15/855,711.46
  6. Step 6: Final answer
    x = 646,440.10

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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.