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Finding the Fourth Proportional to 618,333.60, 927,492.90 and 348,482.10

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Solution

The fourth proportional to 618,333.60, 927,492.90 and 348,482.10 is: 522,718.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,333.60 : 927,492.90 = 348,482.10 : x
  2. Step 2: Convert to fraction form
    618,333.60/927,492.90 = 348,482.10/x
  3. Step 3: Cross multiply
    618,333.60x = 927,492.90 × 348,482.10
  4. Step 4: Simplify right side
    618,333.60x = 323,214,673,527.09
  5. Step 5: Solve for x
    x = 323,214,673,527.09/618,333.60
  6. Step 6: Final answer
    x = 522,718.92

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Why These Related Problems?

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