Home / 855,117.40-1,282,373.70-294,021.40

Finding the Fourth Proportional to 855,117.40, 1,282,373.70 and 294,021.40

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Solution

The fourth proportional to 855,117.40, 1,282,373.70 and 294,021.40 is: 440,928.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,117.40 : 1,282,373.70 = 294,021.40 : x
  2. Step 2: Convert to fraction form
    855,117.40/1,282,373.70 = 294,021.40/x
  3. Step 3: Cross multiply
    855,117.40x = 1,282,373.70 × 294,021.40
  4. Step 4: Simplify right side
    855,117.40x = 377,045,310,597.18
  5. Step 5: Solve for x
    x = 377,045,310,597.18/855,117.40
  6. Step 6: Final answer
    x = 440,928.12

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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.