Home / 824,886.64-1,138,357.02-462,391.12

Finding the Fourth Proportional to 824,886.64, 1,138,357.02 and 462,391.12

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Solution

The fourth proportional to 824,886.64, 1,138,357.02 and 462,391.12 is: 638,107.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,886.64 : 1,138,357.02 = 462,391.12 : x
  2. Step 2: Convert to fraction form
    824,886.64/1,138,357.02 = 462,391.12/x
  3. Step 3: Cross multiply
    824,886.64x = 1,138,357.02 × 462,391.12
  4. Step 4: Simplify right side
    824,886.64x = 526,366,177,437.66
  5. Step 5: Solve for x
    x = 526,366,177,437.66/824,886.64
  6. Step 6: Final answer
    x = 638,107.29

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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.