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Finding the Fourth Proportional to 663,176.32, 994,763.23 and 207,802.42

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Solution

The fourth proportional to 663,176.32, 994,763.23 and 207,802.42 is: 311,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,176.32 : 994,763.23 = 207,802.42 : x
  2. Step 2: Convert to fraction form
    663,176.32/994,763.23 = 207,802.42/x
  3. Step 3: Cross multiply
    663,176.32x = 994,763.23 × 207,802.42
  4. Step 4: Simplify right side
    663,176.32x = 206,714,201,547.20
  5. Step 5: Solve for x
    x = 206,714,201,547.20/663,176.32
  6. Step 6: Final answer
    x = 311,703.23

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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.