Home / 811,055.16-1,119,196.26-448,483.80

Finding the Fourth Proportional to 811,055.16, 1,119,196.26 and 448,483.80

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Solution

The fourth proportional to 811,055.16, 1,119,196.26 and 448,483.80 is: 618,874.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,055.16 : 1,119,196.26 = 448,483.80 : x
  2. Step 2: Convert to fraction form
    811,055.16/1,119,196.26 = 448,483.80/x
  3. Step 3: Cross multiply
    811,055.16x = 1,119,196.26 × 448,483.80
  4. Step 4: Simplify right side
    811,055.16x = 501,941,391,630.59
  5. Step 5: Solve for x
    x = 501,941,391,630.59/811,055.16
  6. Step 6: Final answer
    x = 618,874.54

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Double scale
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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.