Home / 941,649.71-1,299,491.39-511,931.48

Finding the Fourth Proportional to 941,649.71, 1,299,491.39 and 511,931.48

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Solution

The fourth proportional to 941,649.71, 1,299,491.39 and 511,931.48 is: 706,473.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,649.71 : 1,299,491.39 = 511,931.48 : x
  2. Step 2: Convert to fraction form
    941,649.71/1,299,491.39 = 511,931.48/x
  3. Step 3: Cross multiply
    941,649.71x = 1,299,491.39 × 511,931.48
  4. Step 4: Simplify right side
    941,649.71x = 665,250,547,970.30
  5. Step 5: Solve for x
    x = 665,250,547,970.30/941,649.71
  6. Step 6: Final answer
    x = 706,473.48

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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.