Home / 730,726.30-1,096,064.74-257,399.29

Finding the Fourth Proportional to 730,726.30, 1,096,064.74 and 257,399.29

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Solution

The fourth proportional to 730,726.30, 1,096,064.74 and 257,399.29 is: 386,090.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,726.30 : 1,096,064.74 = 257,399.29 : x
  2. Step 2: Convert to fraction form
    730,726.30/1,096,064.74 = 257,399.29/x
  3. Step 3: Cross multiply
    730,726.30x = 1,096,064.74 × 257,399.29
  4. Step 4: Simplify right side
    730,726.30x = 282,126,285,870.04
  5. Step 5: Solve for x
    x = 282,126,285,870.04/730,726.30
  6. Step 6: Final answer
    x = 386,090.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.