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Finding the Fourth Proportional to 630,470.79, 945,697.01 and 293,322.87

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Solution

The fourth proportional to 630,470.79, 945,697.01 and 293,322.87 is: 439,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,470.79 : 945,697.01 = 293,322.87 : x
  2. Step 2: Convert to fraction form
    630,470.79/945,697.01 = 293,322.87/x
  3. Step 3: Cross multiply
    630,470.79x = 945,697.01 × 293,322.87
  4. Step 4: Simplify right side
    630,470.79x = 277,394,559,657.00
  5. Step 5: Solve for x
    x = 277,394,559,657.00/630,470.79
  6. Step 6: Final answer
    x = 439,980.03

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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.