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Finding the Fourth Proportional to 507,659.04, 700,545.36 and 303,822

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Solution

The fourth proportional to 507,659.04, 700,545.36 and 303,822 is: 419,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,659.04 : 700,545.36 = 303,822 : x
  2. Step 2: Convert to fraction form
    507,659.04/700,545.36 = 303,822/x
  3. Step 3: Cross multiply
    507,659.04x = 700,545.36 × 303,822
  4. Step 4: Simplify right side
    507,659.04x = 212,841,092,365.92
  5. Step 5: Solve for x
    x = 212,841,092,365.92/507,659.04
  6. Step 6: Final answer
    x = 419,259.93

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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.