Home / 807,817.80-1,211,784.30-246,851.40

Finding the Fourth Proportional to 807,817.80, 1,211,784.30 and 246,851.40

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Solution

The fourth proportional to 807,817.80, 1,211,784.30 and 246,851.40 is: 370,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,817.80 : 1,211,784.30 = 246,851.40 : x
  2. Step 2: Convert to fraction form
    807,817.80/1,211,784.30 = 246,851.40/x
  3. Step 3: Cross multiply
    807,817.80x = 1,211,784.30 × 246,851.40
  4. Step 4: Simplify right side
    807,817.80x = 299,130,650,953.02
  5. Step 5: Solve for x
    x = 299,130,650,953.02/807,817.80
  6. Step 6: Final answer
    x = 370,294.70

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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.