Home / 750,690.69-1,035,953.67-406,529.31

Finding the Fourth Proportional to 750,690.69, 1,035,953.67 and 406,529.31

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Solution

The fourth proportional to 750,690.69, 1,035,953.67 and 406,529.31 is: 561,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,690.69 : 1,035,953.67 = 406,529.31 : x
  2. Step 2: Convert to fraction form
    750,690.69/1,035,953.67 = 406,529.31/x
  3. Step 3: Cross multiply
    750,690.69x = 1,035,953.67 × 406,529.31
  4. Step 4: Simplify right side
    750,690.69x = 421,145,530,657.07
  5. Step 5: Solve for x
    x = 421,145,530,657.07/750,690.69
  6. Step 6: Final answer
    x = 561,010.73

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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.