Home / 788,605.20-1,182,907.80-539,773.20

Finding the Fourth Proportional to 788,605.20, 1,182,907.80 and 539,773.20

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Solution

The fourth proportional to 788,605.20, 1,182,907.80 and 539,773.20 is: 809,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,605.20 : 1,182,907.80 = 539,773.20 : x
  2. Step 2: Convert to fraction form
    788,605.20/1,182,907.80 = 539,773.20/x
  3. Step 3: Cross multiply
    788,605.20x = 1,182,907.80 × 539,773.20
  4. Step 4: Simplify right side
    788,605.20x = 638,501,928,510.96
  5. Step 5: Solve for x
    x = 638,501,928,510.96/788,605.20
  6. Step 6: Final answer
    x = 809,659.80

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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.