Home / 439,987.83-607,095.38-267,790.45

Finding the Fourth Proportional to 439,987.83, 607,095.38 and 267,790.45

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Solution

The fourth proportional to 439,987.83, 607,095.38 and 267,790.45 is: 369,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,987.83 : 607,095.38 = 267,790.45 : x
  2. Step 2: Convert to fraction form
    439,987.83/607,095.38 = 267,790.45/x
  3. Step 3: Cross multiply
    439,987.83x = 607,095.38 × 267,790.45
  4. Step 4: Simplify right side
    439,987.83x = 162,574,343,664.17
  5. Step 5: Solve for x
    x = 162,574,343,664.17/439,987.83
  6. Step 6: Final answer
    x = 369,497.37

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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.