Home / 671,065.93-1,008,280.42-630,709.63

Finding the Fourth Proportional to 671,065.93, 1,008,280.42 and 630,709.63

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Solution

The fourth proportional to 671,065.93, 1,008,280.42 and 630,709.63 is: 947,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,065.93 : 1,008,280.42 = 630,709.63 : x
  2. Step 2: Convert to fraction form
    671,065.93/1,008,280.42 = 630,709.63/x
  3. Step 3: Cross multiply
    671,065.93x = 1,008,280.42 × 630,709.63
  4. Step 4: Simplify right side
    671,065.93x = 635,932,170,634.45
  5. Step 5: Solve for x
    x = 635,932,170,634.45/671,065.93
  6. Step 6: Final answer
    x = 947,644.85

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Double scale
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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.