Home / 942,840.39-1,301,094.75-513,111.30

Finding the Fourth Proportional to 942,840.39, 1,301,094.75 and 513,111.30

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Solution

The fourth proportional to 942,840.39, 1,301,094.75 and 513,111.30 is: 708,079.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,840.39 : 1,301,094.75 = 513,111.30 : x
  2. Step 2: Convert to fraction form
    942,840.39/1,301,094.75 = 513,111.30/x
  3. Step 3: Cross multiply
    942,840.39x = 1,301,094.75 × 513,111.30
  4. Step 4: Simplify right side
    942,840.39x = 667,606,418,595.68
  5. Step 5: Solve for x
    x = 667,606,418,595.68/942,840.39
  6. Step 6: Final answer
    x = 708,079.99

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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.