Home / 855,305.55-1,180,324.80-462,838.55

Finding the Fourth Proportional to 855,305.55, 1,180,324.80 and 462,838.55

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Solution

The fourth proportional to 855,305.55, 1,180,324.80 and 462,838.55 is: 638,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,305.55 : 1,180,324.80 = 462,838.55 : x
  2. Step 2: Convert to fraction form
    855,305.55/1,180,324.80 = 462,838.55/x
  3. Step 3: Cross multiply
    855,305.55x = 1,180,324.80 × 462,838.55
  4. Step 4: Simplify right side
    855,305.55x = 546,299,813,059.42
  5. Step 5: Solve for x
    x = 546,299,813,059.42/855,305.55
  6. Step 6: Final answer
    x = 638,718.89

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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.