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Finding the Fourth Proportional to 903,289.86, 1,353,753.63 and 370,186.74

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Solution

The fourth proportional to 903,289.86, 1,353,753.63 and 370,186.74 is: 554,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,289.86 : 1,353,753.63 = 370,186.74 : x
  2. Step 2: Convert to fraction form
    903,289.86/1,353,753.63 = 370,186.74/x
  3. Step 3: Cross multiply
    903,289.86x = 1,353,753.63 × 370,186.74
  4. Step 4: Simplify right side
    903,289.86x = 501,141,643,052.87
  5. Step 5: Solve for x
    x = 501,141,643,052.87/903,289.86
  6. Step 6: Final answer
    x = 554,796.05

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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.