Home / 975,904.20-1,463,783.40-407,138.40

Finding the Fourth Proportional to 975,904.20, 1,463,783.40 and 407,138.40

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Solution

The fourth proportional to 975,904.20, 1,463,783.40 and 407,138.40 is: 610,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,904.20 : 1,463,783.40 = 407,138.40 : x
  2. Step 2: Convert to fraction form
    975,904.20/1,463,783.40 = 407,138.40/x
  3. Step 3: Cross multiply
    975,904.20x = 1,463,783.40 × 407,138.40
  4. Step 4: Simplify right side
    975,904.20x = 595,962,431,422.56
  5. Step 5: Solve for x
    x = 595,962,431,422.56/975,904.20
  6. Step 6: Final answer
    x = 610,677.19

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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.