Home / 500,070.45-690,091.83-270,622.66

Finding the Fourth Proportional to 500,070.45, 690,091.83 and 270,622.66

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Solution

The fourth proportional to 500,070.45, 690,091.83 and 270,622.66 is: 373,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,070.45 : 690,091.83 = 270,622.66 : x
  2. Step 2: Convert to fraction form
    500,070.45/690,091.83 = 270,622.66/x
  3. Step 3: Cross multiply
    500,070.45x = 690,091.83 × 270,622.66
  4. Step 4: Simplify right side
    500,070.45x = 186,754,486,678.87
  5. Step 5: Solve for x
    x = 186,754,486,678.87/500,070.45
  6. Step 6: Final answer
    x = 373,456.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.