Home / 500,271.95-690,372.12-270,827.56

Finding the Fourth Proportional to 500,271.95, 690,372.12 and 270,827.56

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Solution

The fourth proportional to 500,271.95, 690,372.12 and 270,827.56 is: 373,740.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,271.95 : 690,372.12 = 270,827.56 : x
  2. Step 2: Convert to fraction form
    500,271.95/690,372.12 = 270,827.56/x
  3. Step 3: Cross multiply
    500,271.95x = 690,372.12 × 270,827.56
  4. Step 4: Simplify right side
    500,271.95x = 186,971,796,751.63
  5. Step 5: Solve for x
    x = 186,971,796,751.63/500,271.95
  6. Step 6: Final answer
    x = 373,740.32

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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.