Home / 855,635.09-1,180,790.40-468,444.05

Finding the Fourth Proportional to 855,635.09, 1,180,790.40 and 468,444.05

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Solution

The fourth proportional to 855,635.09, 1,180,790.40 and 468,444.05 is: 646,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,635.09 : 1,180,790.40 = 468,444.05 : x
  2. Step 2: Convert to fraction form
    855,635.09/1,180,790.40 = 468,444.05/x
  3. Step 3: Cross multiply
    855,635.09x = 1,180,790.40 × 468,444.05
  4. Step 4: Simplify right side
    855,635.09x = 553,134,231,273.17
  5. Step 5: Solve for x
    x = 553,134,231,273.17/855,635.09
  6. Step 6: Final answer
    x = 646,460.44

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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.