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Finding the Fourth Proportional to 694,559.30, 973,782.70 and 694,559.30

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Solution

The fourth proportional to 694,559.30, 973,782.70 and 694,559.30 is: 973,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,559.30 : 973,782.70 = 694,559.30 : x
  2. Step 2: Convert to fraction form
    694,559.30/973,782.70 = 694,559.30/x
  3. Step 3: Cross multiply
    694,559.30x = 973,782.70 × 694,559.30
  4. Step 4: Simplify right side
    694,559.30x = 676,349,830,464.11
  5. Step 5: Solve for x
    x = 676,349,830,464.11/694,559.30
  6. Step 6: Final answer
    x = 973,782.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.