Home / 679,792.70-938,094.08-373,868.76

Finding the Fourth Proportional to 679,792.70, 938,094.08 and 373,868.76

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Solution

The fourth proportional to 679,792.70, 938,094.08 and 373,868.76 is: 515,927.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,792.70 : 938,094.08 = 373,868.76 : x
  2. Step 2: Convert to fraction form
    679,792.70/938,094.08 = 373,868.76/x
  3. Step 3: Cross multiply
    679,792.70x = 938,094.08 × 373,868.76
  4. Step 4: Simplify right side
    679,792.70x = 350,724,070,452.94
  5. Step 5: Solve for x
    x = 350,724,070,452.94/679,792.70
  6. Step 6: Final answer
    x = 515,927.97

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Double scale
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1.5x scale

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.