Home / 760,965.39-1,141,457.63-228,455.46

Finding the Fourth Proportional to 760,965.39, 1,141,457.63 and 228,455.46

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Solution

The fourth proportional to 760,965.39, 1,141,457.63 and 228,455.46 is: 342,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,965.39 : 1,141,457.63 = 228,455.46 : x
  2. Step 2: Convert to fraction form
    760,965.39/1,141,457.63 = 228,455.46/x
  3. Step 3: Cross multiply
    760,965.39x = 1,141,457.63 × 228,455.46
  4. Step 4: Simplify right side
    760,965.39x = 260,772,226,789.88
  5. Step 5: Solve for x
    x = 260,772,226,789.88/760,965.39
  6. Step 6: Final answer
    x = 342,686.05

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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.