Home / 830,871-1,246,427.10-262,059.84

Finding the Fourth Proportional to 830,871, 1,246,427.10 and 262,059.84

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Solution

The fourth proportional to 830,871, 1,246,427.10 and 262,059.84 is: 393,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,871 : 1,246,427.10 = 262,059.84 : x
  2. Step 2: Convert to fraction form
    830,871/1,246,427.10 = 262,059.84/x
  3. Step 3: Cross multiply
    830,871x = 1,246,427.10 × 262,059.84
  4. Step 4: Simplify right side
    830,871x = 326,638,486,397.66
  5. Step 5: Solve for x
    x = 326,638,486,397.66/830,871
  6. Step 6: Final answer
    x = 393,127.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.