Home / 945,155.40-1,417,364.55-412,313.10

Finding the Fourth Proportional to 945,155.40, 1,417,364.55 and 412,313.10

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Solution

The fourth proportional to 945,155.40, 1,417,364.55 and 412,313.10 is: 618,308.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,155.40 : 1,417,364.55 = 412,313.10 : x
  2. Step 2: Convert to fraction form
    945,155.40/1,417,364.55 = 412,313.10/x
  3. Step 3: Cross multiply
    945,155.40x = 1,417,364.55 × 412,313.10
  4. Step 4: Simplify right side
    945,155.40x = 584,397,971,440.61
  5. Step 5: Solve for x
    x = 584,397,971,440.61/945,155.40
  6. Step 6: Final answer
    x = 618,308.87

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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.