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Finding the Fourth Proportional to 612,265.76, 844,653.84 and 357,504.56

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Solution

The fourth proportional to 612,265.76, 844,653.84 and 357,504.56 is: 493,196.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,265.76 : 844,653.84 = 357,504.56 : x
  2. Step 2: Convert to fraction form
    612,265.76/844,653.84 = 357,504.56/x
  3. Step 3: Cross multiply
    612,265.76x = 844,653.84 × 357,504.56
  4. Step 4: Simplify right side
    612,265.76x = 301,967,599,421.51
  5. Step 5: Solve for x
    x = 301,967,599,421.51/612,265.76
  6. Step 6: Final answer
    x = 493,196.94

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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.