Home / 909,119-1,363,685.33-403,544.07

Finding the Fourth Proportional to 909,119, 1,363,685.33 and 403,544.07

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Solution

The fourth proportional to 909,119, 1,363,685.33 and 403,544.07 is: 605,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,119 : 1,363,685.33 = 403,544.07 : x
  2. Step 2: Convert to fraction form
    909,119/1,363,685.33 = 403,544.07/x
  3. Step 3: Cross multiply
    909,119x = 1,363,685.33 × 403,544.07
  4. Step 4: Simplify right side
    909,119x = 550,307,128,267.49
  5. Step 5: Solve for x
    x = 550,307,128,267.49/909,119
  6. Step 6: Final answer
    x = 605,319.14

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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.