Home / 777,318.08-1,163,343.60-477,988.25

Finding the Fourth Proportional to 777,318.08, 1,163,343.60 and 477,988.25

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Solution

The fourth proportional to 777,318.08, 1,163,343.60 and 477,988.25 is: 715,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,318.08 : 1,163,343.60 = 477,988.25 : x
  2. Step 2: Convert to fraction form
    777,318.08/1,163,343.60 = 477,988.25/x
  3. Step 3: Cross multiply
    777,318.08x = 1,163,343.60 × 477,988.25
  4. Step 4: Simplify right side
    777,318.08x = 556,064,565,695.98
  5. Step 5: Solve for x
    x = 556,064,565,695.98/777,318.08
  6. Step 6: Final answer
    x = 715,362.97

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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.