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Finding the Fourth Proportional to 669,979.04, 924,477.78 and 488,895.44

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Solution

The fourth proportional to 669,979.04, 924,477.78 and 488,895.44 is: 674,607.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,979.04 : 924,477.78 = 488,895.44 : x
  2. Step 2: Convert to fraction form
    669,979.04/924,477.78 = 488,895.44/x
  3. Step 3: Cross multiply
    669,979.04x = 924,477.78 × 488,895.44
  4. Step 4: Simplify right side
    669,979.04x = 451,972,971,023.32
  5. Step 5: Solve for x
    x = 451,972,971,023.32/669,979.04
  6. Step 6: Final answer
    x = 674,607.63

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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.