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Finding the Fourth Proportional to 585,900.72, 808,549.36 and 344,193.48

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Solution

The fourth proportional to 585,900.72, 808,549.36 and 344,193.48 is: 474,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,900.72 : 808,549.36 = 344,193.48 : x
  2. Step 2: Convert to fraction form
    585,900.72/808,549.36 = 344,193.48/x
  3. Step 3: Cross multiply
    585,900.72x = 808,549.36 × 344,193.48
  4. Step 4: Simplify right side
    585,900.72x = 278,297,417,109.69
  5. Step 5: Solve for x
    x = 278,297,417,109.69/585,900.72
  6. Step 6: Final answer
    x = 474,990.74

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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.