Home / 788,329.60-1,182,494.40-289,628.80

Finding the Fourth Proportional to 788,329.60, 1,182,494.40 and 289,628.80

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Solution

The fourth proportional to 788,329.60, 1,182,494.40 and 289,628.80 is: 434,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,329.60 : 1,182,494.40 = 289,628.80 : x
  2. Step 2: Convert to fraction form
    788,329.60/1,182,494.40 = 289,628.80/x
  3. Step 3: Cross multiply
    788,329.60x = 1,182,494.40 × 289,628.80
  4. Step 4: Simplify right side
    788,329.60x = 342,484,434,078.72
  5. Step 5: Solve for x
    x = 342,484,434,078.72/788,329.60
  6. Step 6: Final answer
    x = 434,443.20

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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.