Home / 680,386.32-1,020,589.20-237,154.32

Finding the Fourth Proportional to 680,386.32, 1,020,589.20 and 237,154.32

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Solution

The fourth proportional to 680,386.32, 1,020,589.20 and 237,154.32 is: 355,734.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,386.32 : 1,020,589.20 = 237,154.32 : x
  2. Step 2: Convert to fraction form
    680,386.32/1,020,589.20 = 237,154.32/x
  3. Step 3: Cross multiply
    680,386.32x = 1,020,589.20 × 237,154.32
  4. Step 4: Simplify right side
    680,386.32x = 242,037,137,725.34
  5. Step 5: Solve for x
    x = 242,037,137,725.34/680,386.32
  6. Step 6: Final answer
    x = 355,734.87

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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.