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Finding the Fourth Proportional to 593,485.60, 889,018.80 and 368,154.40

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Solution

The fourth proportional to 593,485.60, 889,018.80 and 368,154.40 is: 551,481.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,485.60 : 889,018.80 = 368,154.40 : x
  2. Step 2: Convert to fraction form
    593,485.60/889,018.80 = 368,154.40/x
  3. Step 3: Cross multiply
    593,485.60x = 889,018.80 × 368,154.40
  4. Step 4: Simplify right side
    593,485.60x = 327,296,182,902.72
  5. Step 5: Solve for x
    x = 327,296,182,902.72/593,485.60
  6. Step 6: Final answer
    x = 551,481.25

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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.