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Finding the Fourth Proportional to 615,599.34, 849,880.53 and 469,256.28

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Solution

The fourth proportional to 615,599.34, 849,880.53 and 469,256.28 is: 647,843.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,599.34 : 849,880.53 = 469,256.28 : x
  2. Step 2: Convert to fraction form
    615,599.34/849,880.53 = 469,256.28/x
  3. Step 3: Cross multiply
    615,599.34x = 849,880.53 × 469,256.28
  4. Step 4: Simplify right side
    615,599.34x = 398,811,775,952.23
  5. Step 5: Solve for x
    x = 398,811,775,952.23/615,599.34
  6. Step 6: Final answer
    x = 647,843.09

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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.