Home / 788,657.80-1,182,986.70-655,688.20

Finding the Fourth Proportional to 788,657.80, 1,182,986.70 and 655,688.20

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Solution

The fourth proportional to 788,657.80, 1,182,986.70 and 655,688.20 is: 983,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,657.80 : 1,182,986.70 = 655,688.20 : x
  2. Step 2: Convert to fraction form
    788,657.80/1,182,986.70 = 655,688.20/x
  3. Step 3: Cross multiply
    788,657.80x = 1,182,986.70 × 655,688.20
  4. Step 4: Simplify right side
    788,657.80x = 775,670,419,946.94
  5. Step 5: Solve for x
    x = 775,670,419,946.94/788,657.80
  6. Step 6: Final answer
    x = 983,532.30

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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.