Home / 866,975.40-1,300,560.30-267,931.80

Finding the Fourth Proportional to 866,975.40, 1,300,560.30 and 267,931.80

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Solution

The fourth proportional to 866,975.40, 1,300,560.30 and 267,931.80 is: 401,927.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,975.40 : 1,300,560.30 = 267,931.80 : x
  2. Step 2: Convert to fraction form
    866,975.40/1,300,560.30 = 267,931.80/x
  3. Step 3: Cross multiply
    866,975.40x = 1,300,560.30 × 267,931.80
  4. Step 4: Simplify right side
    866,975.40x = 348,461,462,187.54
  5. Step 5: Solve for x
    x = 348,461,462,187.54/866,975.40
  6. Step 6: Final answer
    x = 401,927.74

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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.