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Finding the Fourth Proportional to 472,328.40, 708,492.60 and 410,120.40

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Solution

The fourth proportional to 472,328.40, 708,492.60 and 410,120.40 is: 615,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,328.40 : 708,492.60 = 410,120.40 : x
  2. Step 2: Convert to fraction form
    472,328.40/708,492.60 = 410,120.40/x
  3. Step 3: Cross multiply
    472,328.40x = 708,492.60 × 410,120.40
  4. Step 4: Simplify right side
    472,328.40x = 290,567,268,509.04
  5. Step 5: Solve for x
    x = 290,567,268,509.04/472,328.40
  6. Step 6: Final answer
    x = 615,180.60

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