Home / 729,590.62-1,007,255.28-484,907.16

Finding the Fourth Proportional to 729,590.62, 1,007,255.28 and 484,907.16

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Solution

The fourth proportional to 729,590.62, 1,007,255.28 and 484,907.16 is: 669,451.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,590.62 : 1,007,255.28 = 484,907.16 : x
  2. Step 2: Convert to fraction form
    729,590.62/1,007,255.28 = 484,907.16/x
  3. Step 3: Cross multiply
    729,590.62x = 1,007,255.28 × 484,907.16
  4. Step 4: Simplify right side
    729,590.62x = 488,425,297,219.81
  5. Step 5: Solve for x
    x = 488,425,297,219.81/729,590.62
  6. Step 6: Final answer
    x = 669,451.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.