Home / 698,604.88-1,047,031.08-298,776.28

Finding the Fourth Proportional to 698,604.88, 1,047,031.08 and 298,776.28

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Solution

The fourth proportional to 698,604.88, 1,047,031.08 and 298,776.28 is: 447,789.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,604.88 : 1,047,031.08 = 298,776.28 : x
  2. Step 2: Convert to fraction form
    698,604.88/1,047,031.08 = 298,776.28/x
  3. Step 3: Cross multiply
    698,604.88x = 1,047,031.08 × 298,776.28
  4. Step 4: Simplify right side
    698,604.88x = 312,828,051,126.78
  5. Step 5: Solve for x
    x = 312,828,051,126.78/698,604.88
  6. Step 6: Final answer
    x = 447,789.67

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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.