Home / 908,112.20-1,362,459.90-402,477.80

Finding the Fourth Proportional to 908,112.20, 1,362,459.90 and 402,477.80

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Solution

The fourth proportional to 908,112.20, 1,362,459.90 and 402,477.80 is: 603,845.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,112.20 : 1,362,459.90 = 402,477.80 : x
  2. Step 2: Convert to fraction form
    908,112.20/1,362,459.90 = 402,477.80/x
  3. Step 3: Cross multiply
    908,112.20x = 1,362,459.90 × 402,477.80
  4. Step 4: Simplify right side
    908,112.20x = 548,359,863,140.22
  5. Step 5: Solve for x
    x = 548,359,863,140.22/908,112.20
  6. Step 6: Final answer
    x = 603,845.94

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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.