Home / 745,545.80-1,118,318.70-184,580.30

Finding the Fourth Proportional to 745,545.80, 1,118,318.70 and 184,580.30

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Solution

The fourth proportional to 745,545.80, 1,118,318.70 and 184,580.30 is: 276,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,545.80 : 1,118,318.70 = 184,580.30 : x
  2. Step 2: Convert to fraction form
    745,545.80/1,118,318.70 = 184,580.30/x
  3. Step 3: Cross multiply
    745,545.80x = 1,118,318.70 × 184,580.30
  4. Step 4: Simplify right side
    745,545.80x = 206,419,601,141.61
  5. Step 5: Solve for x
    x = 206,419,601,141.61/745,545.80
  6. Step 6: Final answer
    x = 276,870.45

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Double scale
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Similar ratio
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1.5x scale

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.