Home / 849,240.83-1,171,984.59-486,734.64

Finding the Fourth Proportional to 849,240.83, 1,171,984.59 and 486,734.64

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Solution

The fourth proportional to 849,240.83, 1,171,984.59 and 486,734.64 is: 671,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,240.83 : 1,171,984.59 = 486,734.64 : x
  2. Step 2: Convert to fraction form
    849,240.83/1,171,984.59 = 486,734.64/x
  3. Step 3: Cross multiply
    849,240.83x = 1,171,984.59 × 486,734.64
  4. Step 4: Simplify right side
    849,240.83x = 570,445,497,499.20
  5. Step 5: Solve for x
    x = 570,445,497,499.20/849,240.83
  6. Step 6: Final answer
    x = 671,712.29

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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.