Home / 760,783.78-1,141,771.83-334,615.78

Finding the Fourth Proportional to 760,783.78, 1,141,771.83 and 334,615.78

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Solution

The fourth proportional to 760,783.78, 1,141,771.83 and 334,615.78 is: 502,185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,783.78 : 1,141,771.83 = 334,615.78 : x
  2. Step 2: Convert to fraction form
    760,783.78/1,141,771.83 = 334,615.78/x
  3. Step 3: Cross multiply
    760,783.78x = 1,141,771.83 × 334,615.78
  4. Step 4: Simplify right side
    760,783.78x = 382,054,871,477.48
  5. Step 5: Solve for x
    x = 382,054,871,477.48/760,783.78
  6. Step 6: Final answer
    x = 502,185.88

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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.