Home / 406,973.51-561,652.23-225,702.80

Finding the Fourth Proportional to 406,973.51, 561,652.23 and 225,702.80

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Solution

The fourth proportional to 406,973.51, 561,652.23 and 225,702.80 is: 311,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,973.51 : 561,652.23 = 225,702.80 : x
  2. Step 2: Convert to fraction form
    406,973.51/561,652.23 = 225,702.80/x
  3. Step 3: Cross multiply
    406,973.51x = 561,652.23 × 225,702.80
  4. Step 4: Simplify right side
    406,973.51x = 126,766,480,937.24
  5. Step 5: Solve for x
    x = 126,766,480,937.24/406,973.51
  6. Step 6: Final answer
    x = 311,485.83

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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.