Home / 913,568.76-1,260,692.75-505,671.39

Finding the Fourth Proportional to 913,568.76, 1,260,692.75 and 505,671.39

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Solution

The fourth proportional to 913,568.76, 1,260,692.75 and 505,671.39 is: 697,808.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,568.76 : 1,260,692.75 = 505,671.39 : x
  2. Step 2: Convert to fraction form
    913,568.76/1,260,692.75 = 505,671.39/x
  3. Step 3: Cross multiply
    913,568.76x = 1,260,692.75 × 505,671.39
  4. Step 4: Simplify right side
    913,568.76x = 637,496,255,255.42
  5. Step 5: Solve for x
    x = 637,496,255,255.42/913,568.76
  6. Step 6: Final answer
    x = 697,808.73

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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.