Home / 777,851.40-1,166,777.10-730,612.20

Finding the Fourth Proportional to 777,851.40, 1,166,777.10 and 730,612.20

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Solution

The fourth proportional to 777,851.40, 1,166,777.10 and 730,612.20 is: 1,095,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,851.40 : 1,166,777.10 = 730,612.20 : x
  2. Step 2: Convert to fraction form
    777,851.40/1,166,777.10 = 730,612.20/x
  3. Step 3: Cross multiply
    777,851.40x = 1,166,777.10 × 730,612.20
  4. Step 4: Simplify right side
    777,851.40x = 852,461,583,940.62
  5. Step 5: Solve for x
    x = 852,461,583,940.62/777,851.40
  6. Step 6: Final answer
    x = 1,095,918.30

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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.