Home / 711,004-1,066,899.64-425,994.16

Finding the Fourth Proportional to 711,004, 1,066,899.64 and 425,994.16

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Solution

The fourth proportional to 711,004, 1,066,899.64 and 425,994.16 is: 639,227.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,004 : 1,066,899.64 = 425,994.16 : x
  2. Step 2: Convert to fraction form
    711,004/1,066,899.64 = 425,994.16/x
  3. Step 3: Cross multiply
    711,004x = 1,066,899.64 × 425,994.16
  4. Step 4: Simplify right side
    711,004x = 454,493,015,946.10
  5. Step 5: Solve for x
    x = 454,493,015,946.10/711,004
  6. Step 6: Final answer
    x = 639,227.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.