Home / 917,402.96-1,375,383.36-579,733.40

Finding the Fourth Proportional to 917,402.96, 1,375,383.36 and 579,733.40

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Solution

The fourth proportional to 917,402.96, 1,375,383.36 and 579,733.40 is: 869,144.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,402.96 : 1,375,383.36 = 579,733.40 : x
  2. Step 2: Convert to fraction form
    917,402.96/1,375,383.36 = 579,733.40/x
  3. Step 3: Cross multiply
    917,402.96x = 1,375,383.36 × 579,733.40
  4. Step 4: Simplify right side
    917,402.96x = 797,355,671,596.22
  5. Step 5: Solve for x
    x = 797,355,671,596.22/917,402.96
  6. Step 6: Final answer
    x = 869,144.43

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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.