Home / 689,870.66-1,035,473.36-497,942.96

Finding the Fourth Proportional to 689,870.66, 1,035,473.36 and 497,942.96

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Solution

The fourth proportional to 689,870.66, 1,035,473.36 and 497,942.96 is: 747,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,870.66 : 1,035,473.36 = 497,942.96 : x
  2. Step 2: Convert to fraction form
    689,870.66/1,035,473.36 = 497,942.96/x
  3. Step 3: Cross multiply
    689,870.66x = 1,035,473.36 × 497,942.96
  4. Step 4: Simplify right side
    689,870.66x = 515,606,662,212.46
  5. Step 5: Solve for x
    x = 515,606,662,212.46/689,870.66
  6. Step 6: Final answer
    x = 747,396.14

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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.