Home / 760,187.38-1,049,013.36-415,954.64

Finding the Fourth Proportional to 760,187.38, 1,049,013.36 and 415,954.64

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Solution

The fourth proportional to 760,187.38, 1,049,013.36 and 415,954.64 is: 573,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,187.38 : 1,049,013.36 = 415,954.64 : x
  2. Step 2: Convert to fraction form
    760,187.38/1,049,013.36 = 415,954.64/x
  3. Step 3: Cross multiply
    760,187.38x = 1,049,013.36 × 415,954.64
  4. Step 4: Simplify right side
    760,187.38x = 436,341,969,268.92
  5. Step 5: Solve for x
    x = 436,341,969,268.92/760,187.38
  6. Step 6: Final answer
    x = 573,992.65

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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.