Home / 909,819.95-1,364,735.39-404,262.09

Finding the Fourth Proportional to 909,819.95, 1,364,735.39 and 404,262.09

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Solution

The fourth proportional to 909,819.95, 1,364,735.39 and 404,262.09 is: 606,395.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,819.95 : 1,364,735.39 = 404,262.09 : x
  2. Step 2: Convert to fraction form
    909,819.95/1,364,735.39 = 404,262.09/x
  3. Step 3: Cross multiply
    909,819.95x = 1,364,735.39 × 404,262.09
  4. Step 4: Simplify right side
    909,819.95x = 551,710,779,037.06
  5. Step 5: Solve for x
    x = 551,710,779,037.06/909,819.95
  6. Step 6: Final answer
    x = 606,395.56

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1.5x scale

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.