Home / 801,981.76-1,106,692.53-457,804.02

Finding the Fourth Proportional to 801,981.76, 1,106,692.53 and 457,804.02

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Solution

The fourth proportional to 801,981.76, 1,106,692.53 and 457,804.02 is: 631,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,981.76 : 1,106,692.53 = 457,804.02 : x
  2. Step 2: Convert to fraction form
    801,981.76/1,106,692.53 = 457,804.02/x
  3. Step 3: Cross multiply
    801,981.76x = 1,106,692.53 × 457,804.02
  4. Step 4: Simplify right side
    801,981.76x = 506,648,289,137.97
  5. Step 5: Solve for x
    x = 506,648,289,137.97/801,981.76
  6. Step 6: Final answer
    x = 631,745.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.