Home / 908,692.48-1,254,004.32-500,809.12

Finding the Fourth Proportional to 908,692.48, 1,254,004.32 and 500,809.12

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Solution

The fourth proportional to 908,692.48, 1,254,004.32 and 500,809.12 is: 691,121.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,692.48 : 1,254,004.32 = 500,809.12 : x
  2. Step 2: Convert to fraction form
    908,692.48/1,254,004.32 = 500,809.12/x
  3. Step 3: Cross multiply
    908,692.48x = 1,254,004.32 × 500,809.12
  4. Step 4: Simplify right side
    908,692.48x = 628,016,799,975.40
  5. Step 5: Solve for x
    x = 628,016,799,975.40/908,692.48
  6. Step 6: Final answer
    x = 691,121.38

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1.5x scale

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.