Home / 751,044.15-1,036,434.15-406,872.18

Finding the Fourth Proportional to 751,044.15, 1,036,434.15 and 406,872.18

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Solution

The fourth proportional to 751,044.15, 1,036,434.15 and 406,872.18 is: 561,479.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,044.15 : 1,036,434.15 = 406,872.18 : x
  2. Step 2: Convert to fraction form
    751,044.15/1,036,434.15 = 406,872.18/x
  3. Step 3: Cross multiply
    751,044.15x = 1,036,434.15 × 406,872.18
  4. Step 4: Simplify right side
    751,044.15x = 421,696,222,036.95
  5. Step 5: Solve for x
    x = 421,696,222,036.95/751,044.15
  6. Step 6: Final answer
    x = 561,479.94

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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.