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Finding the Fourth Proportional to 434,880.58, 651,472 and 299,625.58

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Solution

The fourth proportional to 434,880.58, 651,472 and 299,625.58 is: 448,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,880.58 : 651,472 = 299,625.58 : x
  2. Step 2: Convert to fraction form
    434,880.58/651,472 = 299,625.58/x
  3. Step 3: Cross multiply
    434,880.58x = 651,472 × 299,625.58
  4. Step 4: Simplify right side
    434,880.58x = 195,197,675,853.76
  5. Step 5: Solve for x
    x = 195,197,675,853.76/434,880.58
  6. Step 6: Final answer
    x = 448,853.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.