Home / 760,459.96-1,140,368.66-228,056.76

Finding the Fourth Proportional to 760,459.96, 1,140,368.66 and 228,056.76

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Solution

The fourth proportional to 760,459.96, 1,140,368.66 and 228,056.76 is: 341,988.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,459.96 : 1,140,368.66 = 228,056.76 : x
  2. Step 2: Convert to fraction form
    760,459.96/1,140,368.66 = 228,056.76/x
  3. Step 3: Cross multiply
    760,459.96x = 1,140,368.66 × 228,056.76
  4. Step 4: Simplify right side
    760,459.96x = 260,068,781,805.14
  5. Step 5: Solve for x
    x = 260,068,781,805.14/760,459.96
  6. Step 6: Final answer
    x = 341,988.79

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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.