Home / 816,504.31-1,126,800.40-448,962.40

Finding the Fourth Proportional to 816,504.31, 1,126,800.40 and 448,962.40

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Solution

The fourth proportional to 816,504.31, 1,126,800.40 and 448,962.40 is: 619,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,504.31 : 1,126,800.40 = 448,962.40 : x
  2. Step 2: Convert to fraction form
    816,504.31/1,126,800.40 = 448,962.40/x
  3. Step 3: Cross multiply
    816,504.31x = 1,126,800.40 × 448,962.40
  4. Step 4: Simplify right side
    816,504.31x = 505,891,006,270.96
  5. Step 5: Solve for x
    x = 505,891,006,270.96/816,504.31
  6. Step 6: Final answer
    x = 619,581.55

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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.