Home / 765,458.88-1,148,187.16-260,072.32

Finding the Fourth Proportional to 765,458.88, 1,148,187.16 and 260,072.32

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Solution

The fourth proportional to 765,458.88, 1,148,187.16 and 260,072.32 is: 390,108.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,458.88 : 1,148,187.16 = 260,072.32 : x
  2. Step 2: Convert to fraction form
    765,458.88/1,148,187.16 = 260,072.32/x
  3. Step 3: Cross multiply
    765,458.88x = 1,148,187.16 × 260,072.32
  4. Step 4: Simplify right side
    765,458.88x = 298,611,698,495.41
  5. Step 5: Solve for x
    x = 298,611,698,495.41/765,458.88
  6. Step 6: Final answer
    x = 390,108.09

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Double scale
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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.