Home / 930,735.72-1,396,404.54-457,088.94

Finding the Fourth Proportional to 930,735.72, 1,396,404.54 and 457,088.94

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Solution

The fourth proportional to 930,735.72, 1,396,404.54 and 457,088.94 is: 685,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,735.72 : 1,396,404.54 = 457,088.94 : x
  2. Step 2: Convert to fraction form
    930,735.72/1,396,404.54 = 457,088.94/x
  3. Step 3: Cross multiply
    930,735.72x = 1,396,404.54 × 457,088.94
  4. Step 4: Simplify right side
    930,735.72x = 638,281,070,999.79
  5. Step 5: Solve for x
    x = 638,281,070,999.79/930,735.72
  6. Step 6: Final answer
    x = 685,781.21

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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.