Home / 698,726.85-1,048,311.72-249,437.78

Finding the Fourth Proportional to 698,726.85, 1,048,311.72 and 249,437.78

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Solution

The fourth proportional to 698,726.85, 1,048,311.72 and 249,437.78 is: 374,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,726.85 : 1,048,311.72 = 249,437.78 : x
  2. Step 2: Convert to fraction form
    698,726.85/1,048,311.72 = 249,437.78/x
  3. Step 3: Cross multiply
    698,726.85x = 1,048,311.72 × 249,437.78
  4. Step 4: Simplify right side
    698,726.85x = 261,488,548,184.78
  5. Step 5: Solve for x
    x = 261,488,548,184.78/698,726.85
  6. Step 6: Final answer
    x = 374,235.72

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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.