Home / 788,813.19-1,183,219.79-720,384.39

Finding the Fourth Proportional to 788,813.19, 1,183,219.79 and 720,384.39

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Solution

The fourth proportional to 788,813.19, 1,183,219.79 and 720,384.39 is: 1,080,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,813.19 : 1,183,219.79 = 720,384.39 : x
  2. Step 2: Convert to fraction form
    788,813.19/1,183,219.79 = 720,384.39/x
  3. Step 3: Cross multiply
    788,813.19x = 1,183,219.79 × 720,384.39
  4. Step 4: Simplify right side
    788,813.19x = 852,373,063,053.16
  5. Step 5: Solve for x
    x = 852,373,063,053.16/788,813.19
  6. Step 6: Final answer
    x = 1,080,576.59

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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.