Home / 662,371.68-993,566.16-288,380.64

Finding the Fourth Proportional to 662,371.68, 993,566.16 and 288,380.64

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Solution

The fourth proportional to 662,371.68, 993,566.16 and 288,380.64 is: 432,574.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,371.68 : 993,566.16 = 288,380.64 : x
  2. Step 2: Convert to fraction form
    662,371.68/993,566.16 = 288,380.64/x
  3. Step 3: Cross multiply
    662,371.68x = 993,566.16 × 288,380.64
  4. Step 4: Simplify right side
    662,371.68x = 286,525,245,103.14
  5. Step 5: Solve for x
    x = 286,525,245,103.14/662,371.68
  6. Step 6: Final answer
    x = 432,574.72

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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.