Home / 929,649.42-1,395,064.02-397,174.45

Finding the Fourth Proportional to 929,649.42, 1,395,064.02 and 397,174.45

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Solution

The fourth proportional to 929,649.42, 1,395,064.02 and 397,174.45 is: 596,013.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,649.42 : 1,395,064.02 = 397,174.45 : x
  2. Step 2: Convert to fraction form
    929,649.42/1,395,064.02 = 397,174.45/x
  3. Step 3: Cross multiply
    929,649.42x = 1,395,064.02 × 397,174.45
  4. Step 4: Simplify right side
    929,649.42x = 554,083,784,858.29
  5. Step 5: Solve for x
    x = 554,083,784,858.29/929,649.42
  6. Step 6: Final answer
    x = 596,013.69

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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.