Home / 849,293.90-1,171,891.74-486,648.02

Finding the Fourth Proportional to 849,293.90, 1,171,891.74 and 486,648.02

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Solution

The fourth proportional to 849,293.90, 1,171,891.74 and 486,648.02 is: 671,497.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,293.90 : 1,171,891.74 = 486,648.02 : x
  2. Step 2: Convert to fraction form
    849,293.90/1,171,891.74 = 486,648.02/x
  3. Step 3: Cross multiply
    849,293.90x = 1,171,891.74 × 486,648.02
  4. Step 4: Simplify right side
    849,293.90x = 570,298,794,925.36
  5. Step 5: Solve for x
    x = 570,298,794,925.36/849,293.90
  6. Step 6: Final answer
    x = 671,497.58

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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.