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Finding the Fourth Proportional to 590,244.40, 883,533.94 and 319,700.62

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Solution

The fourth proportional to 590,244.40, 883,533.94 and 319,700.62 is: 478,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,244.40 : 883,533.94 = 319,700.62 : x
  2. Step 2: Convert to fraction form
    590,244.40/883,533.94 = 319,700.62/x
  3. Step 3: Cross multiply
    590,244.40x = 883,533.94 × 319,700.62
  4. Step 4: Simplify right side
    590,244.40x = 282,466,348,409.04
  5. Step 5: Solve for x
    x = 282,466,348,409.04/590,244.40
  6. Step 6: Final answer
    x = 478,558.29

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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.