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Finding the Fourth Proportional to 695,259, 959,457.42 and 377,307

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Solution

The fourth proportional to 695,259, 959,457.42 and 377,307 is: 520,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,259 : 959,457.42 = 377,307 : x
  2. Step 2: Convert to fraction form
    695,259/959,457.42 = 377,307/x
  3. Step 3: Cross multiply
    695,259x = 959,457.42 × 377,307
  4. Step 4: Simplify right side
    695,259x = 362,010,000,767.94
  5. Step 5: Solve for x
    x = 362,010,000,767.94/695,259
  6. Step 6: Final answer
    x = 520,683.66

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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.