Home / 679,035.76-936,741.72-452,391.28

Finding the Fourth Proportional to 679,035.76, 936,741.72 and 452,391.28

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Solution

The fourth proportional to 679,035.76, 936,741.72 and 452,391.28 is: 624,081.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,035.76 : 936,741.72 = 452,391.28 : x
  2. Step 2: Convert to fraction form
    679,035.76/936,741.72 = 452,391.28/x
  3. Step 3: Cross multiply
    679,035.76x = 936,741.72 × 452,391.28
  4. Step 4: Simplify right side
    679,035.76x = 423,773,785,740.20
  5. Step 5: Solve for x
    x = 423,773,785,740.20/679,035.76
  6. Step 6: Final answer
    x = 624,081.69

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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.