Home / 765,457.86-1,148,185.71-260,071.32

Finding the Fourth Proportional to 765,457.86, 1,148,185.71 and 260,071.32

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Solution

The fourth proportional to 765,457.86, 1,148,185.71 and 260,071.32 is: 390,106.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,457.86 : 1,148,185.71 = 260,071.32 : x
  2. Step 2: Convert to fraction form
    765,457.86/1,148,185.71 = 260,071.32/x
  3. Step 3: Cross multiply
    765,457.86x = 1,148,185.71 × 260,071.32
  4. Step 4: Simplify right side
    765,457.86x = 298,610,173,204.84
  5. Step 5: Solve for x
    x = 298,610,173,204.84/765,457.86
  6. Step 6: Final answer
    x = 390,106.61

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Double scale
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Similar ratio
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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.