Home / 849,611.80-1,274,475.30-288,688.60

Finding the Fourth Proportional to 849,611.80, 1,274,475.30 and 288,688.60

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Solution

The fourth proportional to 849,611.80, 1,274,475.30 and 288,688.60 is: 433,052.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,611.80 : 1,274,475.30 = 288,688.60 : x
  2. Step 2: Convert to fraction form
    849,611.80/1,274,475.30 = 288,688.60/x
  3. Step 3: Cross multiply
    849,611.80x = 1,274,475.30 × 288,688.60
  4. Step 4: Simplify right side
    849,611.80x = 367,926,490,091.58
  5. Step 5: Solve for x
    x = 367,926,490,091.58/849,611.80
  6. Step 6: Final answer
    x = 433,052.47

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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.