Home / 899,764.71-1,349,649.63-260,120.52

Finding the Fourth Proportional to 899,764.71, 1,349,649.63 and 260,120.52

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Solution

The fourth proportional to 899,764.71, 1,349,649.63 and 260,120.52 is: 390,181.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,764.71 : 1,349,649.63 = 260,120.52 : x
  2. Step 2: Convert to fraction form
    899,764.71/1,349,649.63 = 260,120.52/x
  3. Step 3: Cross multiply
    899,764.71x = 1,349,649.63 × 260,120.52
  4. Step 4: Simplify right side
    899,764.71x = 351,071,563,573.41
  5. Step 5: Solve for x
    x = 351,071,563,573.41/899,764.71
  6. Step 6: Final answer
    x = 390,181.52

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Similar ratio
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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.