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Finding the Fourth Proportional to 604,792.83, 834,266.95 and 378,044.67

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Solution

The fourth proportional to 604,792.83, 834,266.95 and 378,044.67 is: 521,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,792.83 : 834,266.95 = 378,044.67 : x
  2. Step 2: Convert to fraction form
    604,792.83/834,266.95 = 378,044.67/x
  3. Step 3: Cross multiply
    604,792.83x = 834,266.95 × 378,044.67
  4. Step 4: Simplify right side
    604,792.83x = 315,390,173,804.66
  5. Step 5: Solve for x
    x = 315,390,173,804.66/604,792.83
  6. Step 6: Final answer
    x = 521,484.64

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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.