Home / 455,822.40-683,733.60-403,334.40

Finding the Fourth Proportional to 455,822.40, 683,733.60 and 403,334.40

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Solution

The fourth proportional to 455,822.40, 683,733.60 and 403,334.40 is: 605,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,822.40 : 683,733.60 = 403,334.40 : x
  2. Step 2: Convert to fraction form
    455,822.40/683,733.60 = 403,334.40/x
  3. Step 3: Cross multiply
    455,822.40x = 683,733.60 × 403,334.40
  4. Step 4: Simplify right side
    455,822.40x = 275,773,281,315.84
  5. Step 5: Solve for x
    x = 275,773,281,315.84/455,822.40
  6. Step 6: Final answer
    x = 605,001.60

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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.