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Finding the Fourth Proportional to 649,066.84, 895,709.92 and 358,670.32

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Solution

The fourth proportional to 649,066.84, 895,709.92 and 358,670.32 is: 494,963.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,066.84 : 895,709.92 = 358,670.32 : x
  2. Step 2: Convert to fraction form
    649,066.84/895,709.92 = 358,670.32/x
  3. Step 3: Cross multiply
    649,066.84x = 895,709.92 × 358,670.32
  4. Step 4: Simplify right side
    649,066.84x = 321,264,563,633.57
  5. Step 5: Solve for x
    x = 321,264,563,633.57/649,066.84
  6. Step 6: Final answer
    x = 494,963.76

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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.