Home / 858,657.90-1,288,577.40-297,692.40

Finding the Fourth Proportional to 858,657.90, 1,288,577.40 and 297,692.40

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Solution

The fourth proportional to 858,657.90, 1,288,577.40 and 297,692.40 is: 446,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,657.90 : 1,288,577.40 = 297,692.40 : x
  2. Step 2: Convert to fraction form
    858,657.90/1,288,577.40 = 297,692.40/x
  3. Step 3: Cross multiply
    858,657.90x = 1,288,577.40 × 297,692.40
  4. Step 4: Simplify right side
    858,657.90x = 383,599,698,791.76
  5. Step 5: Solve for x
    x = 383,599,698,791.76/858,657.90
  6. Step 6: Final answer
    x = 446,743.34

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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.