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Finding the Fourth Proportional to 618,624.96, 853,678.08 and 350,352.96

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Solution

The fourth proportional to 618,624.96, 853,678.08 and 350,352.96 is: 483,473.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,624.96 : 853,678.08 = 350,352.96 : x
  2. Step 2: Convert to fraction form
    618,624.96/853,678.08 = 350,352.96/x
  3. Step 3: Cross multiply
    618,624.96x = 853,678.08 × 350,352.96
  4. Step 4: Simplify right side
    618,624.96x = 299,088,642,215.12
  5. Step 5: Solve for x
    x = 299,088,642,215.12/618,624.96
  6. Step 6: Final answer
    x = 483,473.29

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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.