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Finding the Fourth Proportional to 648,184.32, 894,492.72 and 361,701.36

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Solution

The fourth proportional to 648,184.32, 894,492.72 and 361,701.36 is: 499,146.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,184.32 : 894,492.72 = 361,701.36 : x
  2. Step 2: Convert to fraction form
    648,184.32/894,492.72 = 361,701.36/x
  3. Step 3: Cross multiply
    648,184.32x = 894,492.72 × 361,701.36
  4. Step 4: Simplify right side
    648,184.32x = 323,539,233,334.10
  5. Step 5: Solve for x
    x = 323,539,233,334.10/648,184.32
  6. Step 6: Final answer
    x = 499,146.96

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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.