Home / 816,504.81-1,126,801.09-448,962.90

Finding the Fourth Proportional to 816,504.81, 1,126,801.09 and 448,962.90

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Solution

The fourth proportional to 816,504.81, 1,126,801.09 and 448,962.90 is: 619,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,504.81 : 1,126,801.09 = 448,962.90 : x
  2. Step 2: Convert to fraction form
    816,504.81/1,126,801.09 = 448,962.90/x
  3. Step 3: Cross multiply
    816,504.81x = 1,126,801.09 × 448,962.90
  4. Step 4: Simplify right side
    816,504.81x = 505,891,885,089.56
  5. Step 5: Solve for x
    x = 505,891,885,089.56/816,504.81
  6. Step 6: Final answer
    x = 619,582.25

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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.