Home / 397,528.80-596,984.40-210,904.80

Finding the Fourth Proportional to 397,528.80, 596,984.40 and 210,904.80

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Solution

The fourth proportional to 397,528.80, 596,984.40 and 210,904.80 is: 316,723.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,528.80 : 596,984.40 = 210,904.80 : x
  2. Step 2: Convert to fraction form
    397,528.80/596,984.40 = 210,904.80/x
  3. Step 3: Cross multiply
    397,528.80x = 596,984.40 × 210,904.80
  4. Step 4: Simplify right side
    397,528.80x = 125,906,875,485.12
  5. Step 5: Solve for x
    x = 125,906,875,485.12/397,528.80
  6. Step 6: Final answer
    x = 316,723.91

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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.