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Finding the Fourth Proportional to 570,259.83, 786,956.47 and 308,614.60

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Solution

The fourth proportional to 570,259.83, 786,956.47 and 308,614.60 is: 425,887.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,259.83 : 786,956.47 = 308,614.60 : x
  2. Step 2: Convert to fraction form
    570,259.83/786,956.47 = 308,614.60/x
  3. Step 3: Cross multiply
    570,259.83x = 786,956.47 × 308,614.60
  4. Step 4: Simplify right side
    570,259.83x = 242,866,253,467.53
  5. Step 5: Solve for x
    x = 242,866,253,467.53/570,259.83
  6. Step 6: Final answer
    x = 425,887.01

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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.