Home / 948,743.37-1,309,261.19-519,015.69

Finding the Fourth Proportional to 948,743.37, 1,309,261.19 and 519,015.69

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Solution

The fourth proportional to 948,743.37, 1,309,261.19 and 519,015.69 is: 716,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,743.37 : 1,309,261.19 = 519,015.69 : x
  2. Step 2: Convert to fraction form
    948,743.37/1,309,261.19 = 519,015.69/x
  3. Step 3: Cross multiply
    948,743.37x = 1,309,261.19 × 519,015.69
  4. Step 4: Simplify right side
    948,743.37x = 679,527,097,322.99
  5. Step 5: Solve for x
    x = 679,527,097,322.99/948,743.37
  6. Step 6: Final answer
    x = 716,239.10

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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.