Home / 760,015.59-1,048,840.97-458,229.03

Finding the Fourth Proportional to 760,015.59, 1,048,840.97 and 458,229.03

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Solution

The fourth proportional to 760,015.59, 1,048,840.97 and 458,229.03 is: 632,367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,015.59 : 1,048,840.97 = 458,229.03 : x
  2. Step 2: Convert to fraction form
    760,015.59/1,048,840.97 = 458,229.03/x
  3. Step 3: Cross multiply
    760,015.59x = 1,048,840.97 × 458,229.03
  4. Step 4: Simplify right side
    760,015.59x = 480,609,378,016.21
  5. Step 5: Solve for x
    x = 480,609,378,016.21/760,015.59
  6. Step 6: Final answer
    x = 632,367.79

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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.