Home / 840,014.40-1,260,021.60-367,622.40

Finding the Fourth Proportional to 840,014.40, 1,260,021.60 and 367,622.40

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Solution

The fourth proportional to 840,014.40, 1,260,021.60 and 367,622.40 is: 551,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,014.40 : 1,260,021.60 = 367,622.40 : x
  2. Step 2: Convert to fraction form
    840,014.40/1,260,021.60 = 367,622.40/x
  3. Step 3: Cross multiply
    840,014.40x = 1,260,021.60 × 367,622.40
  4. Step 4: Simplify right side
    840,014.40x = 463,212,164,643.84
  5. Step 5: Solve for x
    x = 463,212,164,643.84/840,014.40
  6. Step 6: Final answer
    x = 551,433.60

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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.