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Finding the Fourth Proportional to 722,573.08, 997,154.65 and 408,246.32

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Solution

The fourth proportional to 722,573.08, 997,154.65 and 408,246.32 is: 563,382.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,573.08 : 997,154.65 = 408,246.32 : x
  2. Step 2: Convert to fraction form
    722,573.08/997,154.65 = 408,246.32/x
  3. Step 3: Cross multiply
    722,573.08x = 997,154.65 × 408,246.32
  4. Step 4: Simplify right side
    722,573.08x = 407,084,719,336.58
  5. Step 5: Solve for x
    x = 407,084,719,336.58/722,573.08
  6. Step 6: Final answer
    x = 563,382.07

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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.