Home / 849,205.22-1,170,921.42-676,988.58

Finding the Fourth Proportional to 849,205.22, 1,170,921.42 and 676,988.58

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Solution

The fourth proportional to 849,205.22, 1,170,921.42 and 676,988.58 is: 933,461.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,205.22 : 1,170,921.42 = 676,988.58 : x
  2. Step 2: Convert to fraction form
    849,205.22/1,170,921.42 = 676,988.58/x
  3. Step 3: Cross multiply
    849,205.22x = 1,170,921.42 × 676,988.58
  4. Step 4: Simplify right side
    849,205.22x = 792,700,433,808.34
  5. Step 5: Solve for x
    x = 792,700,433,808.34/849,205.22
  6. Step 6: Final answer
    x = 933,461.57

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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.