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Finding the Fourth Proportional to 630,160.40, 945,240.60 and 531,745.40

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Solution

The fourth proportional to 630,160.40, 945,240.60 and 531,745.40 is: 797,618.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,160.40 : 945,240.60 = 531,745.40 : x
  2. Step 2: Convert to fraction form
    630,160.40/945,240.60 = 531,745.40/x
  3. Step 3: Cross multiply
    630,160.40x = 945,240.60 × 531,745.40
  4. Step 4: Simplify right side
    630,160.40x = 502,627,340,943.24
  5. Step 5: Solve for x
    x = 502,627,340,943.24/630,160.40
  6. Step 6: Final answer
    x = 797,618.10

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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.