Home / 777,784.80-1,166,677.20-462,079.20

Finding the Fourth Proportional to 777,784.80, 1,166,677.20 and 462,079.20

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Solution

The fourth proportional to 777,784.80, 1,166,677.20 and 462,079.20 is: 693,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,784.80 : 1,166,677.20 = 462,079.20 : x
  2. Step 2: Convert to fraction form
    777,784.80/1,166,677.20 = 462,079.20/x
  3. Step 3: Cross multiply
    777,784.80x = 1,166,677.20 × 462,079.20
  4. Step 4: Simplify right side
    777,784.80x = 539,097,267,234.24
  5. Step 5: Solve for x
    x = 539,097,267,234.24/777,784.80
  6. Step 6: Final answer
    x = 693,118.80

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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.