Home / 920,668.01-1,380,116.25-471,600.36

Finding the Fourth Proportional to 920,668.01, 1,380,116.25 and 471,600.36

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Solution

The fourth proportional to 920,668.01, 1,380,116.25 and 471,600.36 is: 706,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,668.01 : 1,380,116.25 = 471,600.36 : x
  2. Step 2: Convert to fraction form
    920,668.01/1,380,116.25 = 471,600.36/x
  3. Step 3: Cross multiply
    920,668.01x = 1,380,116.25 × 471,600.36
  4. Step 4: Simplify right side
    920,668.01x = 650,863,320,341.85
  5. Step 5: Solve for x
    x = 650,863,320,341.85/920,668.01
  6. Step 6: Final answer
    x = 706,946.82

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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.