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Finding the Fourth Proportional to 653,792.73, 902,478.71 and 490,919.74

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Solution

The fourth proportional to 653,792.73, 902,478.71 and 490,919.74 is: 677,653.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,792.73 : 902,478.71 = 490,919.74 : x
  2. Step 2: Convert to fraction form
    653,792.73/902,478.71 = 490,919.74/x
  3. Step 3: Cross multiply
    653,792.73x = 902,478.71 × 490,919.74
  4. Step 4: Simplify right side
    653,792.73x = 443,044,614,896.04
  5. Step 5: Solve for x
    x = 443,044,614,896.04/653,792.73
  6. Step 6: Final answer
    x = 677,653.01

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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.