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Finding the Fourth Proportional to 630,184.47, 945,697.05 and 326,858.19

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Solution

The fourth proportional to 630,184.47, 945,697.05 and 326,858.19 is: 490,505.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,184.47 : 945,697.05 = 326,858.19 : x
  2. Step 2: Convert to fraction form
    630,184.47/945,697.05 = 326,858.19/x
  3. Step 3: Cross multiply
    630,184.47x = 945,697.05 × 326,858.19
  4. Step 4: Simplify right side
    630,184.47x = 309,108,826,051.34
  5. Step 5: Solve for x
    x = 309,108,826,051.34/630,184.47
  6. Step 6: Final answer
    x = 490,505.31

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1.5x scale

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.