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Finding the Fourth Proportional to 630,162.40, 945,243.60 and 531,747.40

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Solution

The fourth proportional to 630,162.40, 945,243.60 and 531,747.40 is: 797,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,162.40 : 945,243.60 = 531,747.40 : x
  2. Step 2: Convert to fraction form
    630,162.40/945,243.60 = 531,747.40/x
  3. Step 3: Cross multiply
    630,162.40x = 945,243.60 × 531,747.40
  4. Step 4: Simplify right side
    630,162.40x = 502,630,826,666.64
  5. Step 5: Solve for x
    x = 502,630,826,666.64/630,162.40
  6. Step 6: Final answer
    x = 797,621.10

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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.