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Finding the Fourth Proportional to 615,902.08, 849,706.32 and 361,160.32

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Solution

The fourth proportional to 615,902.08, 849,706.32 and 361,160.32 is: 498,261.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,902.08 : 849,706.32 = 361,160.32 : x
  2. Step 2: Convert to fraction form
    615,902.08/849,706.32 = 361,160.32/x
  3. Step 3: Cross multiply
    615,902.08x = 849,706.32 × 361,160.32
  4. Step 4: Simplify right side
    615,902.08x = 306,880,206,437.22
  5. Step 5: Solve for x
    x = 306,880,206,437.22/615,902.08
  6. Step 6: Final answer
    x = 498,261.36

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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.