Home / 917,897.88-1,376,088.66-405,197.94

Finding the Fourth Proportional to 917,897.88, 1,376,088.66 and 405,197.94

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Solution

The fourth proportional to 917,897.88, 1,376,088.66 and 405,197.94 is: 607,462.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,897.88 : 1,376,088.66 = 405,197.94 : x
  2. Step 2: Convert to fraction form
    917,897.88/1,376,088.66 = 405,197.94/x
  3. Step 3: Cross multiply
    917,897.88x = 1,376,088.66 × 405,197.94
  4. Step 4: Simplify right side
    917,897.88x = 557,588,290,289.36
  5. Step 5: Solve for x
    x = 557,588,290,289.36/917,897.88
  6. Step 6: Final answer
    x = 607,462.23

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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.