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Finding the Fourth Proportional to 613,545.59, 846,684.83 and 355,457.72

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Solution

The fourth proportional to 613,545.59, 846,684.83 and 355,457.72 is: 490,526.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,545.59 : 846,684.83 = 355,457.72 : x
  2. Step 2: Convert to fraction form
    613,545.59/846,684.83 = 355,457.72/x
  3. Step 3: Cross multiply
    613,545.59x = 846,684.83 × 355,457.72
  4. Step 4: Simplify right side
    613,545.59x = 300,960,653,219.68
  5. Step 5: Solve for x
    x = 300,960,653,219.68/613,545.59
  6. Step 6: Final answer
    x = 490,526.96

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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.