Home / 587,284.02-810,430.29-319,006.26

Finding the Fourth Proportional to 587,284.02, 810,430.29 and 319,006.26

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Solution

The fourth proportional to 587,284.02, 810,430.29 and 319,006.26 is: 440,216.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,284.02 : 810,430.29 = 319,006.26 : x
  2. Step 2: Convert to fraction form
    587,284.02/810,430.29 = 319,006.26/x
  3. Step 3: Cross multiply
    587,284.02x = 810,430.29 × 319,006.26
  4. Step 4: Simplify right side
    587,284.02x = 258,532,335,803.62
  5. Step 5: Solve for x
    x = 258,532,335,803.62/587,284.02
  6. Step 6: Final answer
    x = 440,216.87

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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.