Home / 823,974.04-1,235,650.02-380,431

Finding the Fourth Proportional to 823,974.04, 1,235,650.02 and 380,431

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Solution

The fourth proportional to 823,974.04, 1,235,650.02 and 380,431 is: 570,502.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,974.04 : 1,235,650.02 = 380,431 : x
  2. Step 2: Convert to fraction form
    823,974.04/1,235,650.02 = 380,431/x
  3. Step 3: Cross multiply
    823,974.04x = 1,235,650.02 × 380,431
  4. Step 4: Simplify right side
    823,974.04x = 470,079,572,758.62
  5. Step 5: Solve for x
    x = 470,079,572,758.62/823,974.04
  6. Step 6: Final answer
    x = 570,502.89

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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.