Home / 854,368.02-1,281,628.58-247,146.80

Finding the Fourth Proportional to 854,368.02, 1,281,628.58 and 247,146.80

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Solution

The fourth proportional to 854,368.02, 1,281,628.58 and 247,146.80 is: 370,742.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,368.02 : 1,281,628.58 = 247,146.80 : x
  2. Step 2: Convert to fraction form
    854,368.02/1,281,628.58 = 247,146.80/x
  3. Step 3: Cross multiply
    854,368.02x = 1,281,628.58 × 247,146.80
  4. Step 4: Simplify right side
    854,368.02x = 316,750,394,691.67
  5. Step 5: Solve for x
    x = 316,750,394,691.67/854,368.02
  6. Step 6: Final answer
    x = 370,742.34

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1.5x scale

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.