Home / 942,016.48-1,299,970.40-512,287.36

Finding the Fourth Proportional to 942,016.48, 1,299,970.40 and 512,287.36

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Solution

The fourth proportional to 942,016.48, 1,299,970.40 and 512,287.36 is: 706,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,016.48 : 1,299,970.40 = 512,287.36 : x
  2. Step 2: Convert to fraction form
    942,016.48/1,299,970.40 = 512,287.36/x
  3. Step 3: Cross multiply
    942,016.48x = 1,299,970.40 × 512,287.36
  4. Step 4: Simplify right side
    942,016.48x = 665,958,404,294.14
  5. Step 5: Solve for x
    x = 665,958,404,294.14/942,016.48
  6. Step 6: Final answer
    x = 706,949.84

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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.