Home / 859,355.10-1,288,419.48-403,692.03

Finding the Fourth Proportional to 859,355.10, 1,288,419.48 and 403,692.03

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Solution

The fourth proportional to 859,355.10, 1,288,419.48 and 403,692.03 is: 605,250.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,355.10 : 1,288,419.48 = 403,692.03 : x
  2. Step 2: Convert to fraction form
    859,355.10/1,288,419.48 = 403,692.03/x
  3. Step 3: Cross multiply
    859,355.10x = 1,288,419.48 × 403,692.03
  4. Step 4: Simplify right side
    859,355.10x = 520,124,675,372.74
  5. Step 5: Solve for x
    x = 520,124,675,372.74/859,355.10
  6. Step 6: Final answer
    x = 605,250.00

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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.