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Finding the Fourth Proportional to 347,762.84, 479,441.52 and 297,317.45

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Solution

The fourth proportional to 347,762.84, 479,441.52 and 297,317.45 is: 409,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,762.84 : 479,441.52 = 297,317.45 : x
  2. Step 2: Convert to fraction form
    347,762.84/479,441.52 = 297,317.45/x
  3. Step 3: Cross multiply
    347,762.84x = 479,441.52 × 297,317.45
  4. Step 4: Simplify right side
    347,762.84x = 142,546,331,349.13
  5. Step 5: Solve for x
    x = 142,546,331,349.13/347,762.84
  6. Step 6: Final answer
    x = 409,895.24

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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.