Home / 811,008.04-1,119,143.01-448,403.44

Finding the Fourth Proportional to 811,008.04, 1,119,143.01 and 448,403.44

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Solution

The fourth proportional to 811,008.04, 1,119,143.01 and 448,403.44 is: 618,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,008.04 : 1,119,143.01 = 448,403.44 : x
  2. Step 2: Convert to fraction form
    811,008.04/1,119,143.01 = 448,403.44/x
  3. Step 3: Cross multiply
    811,008.04x = 1,119,143.01 × 448,403.44
  4. Step 4: Simplify right side
    811,008.04x = 501,827,569,940.24
  5. Step 5: Solve for x
    x = 501,827,569,940.24/811,008.04
  6. Step 6: Final answer
    x = 618,770.16

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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.