Finding the Fourth Proportional to 855,928.71, 1,181,181.55 and 473,955.49
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Solution
The fourth proportional to 855,928.71, 1,181,181.55 and 473,955.49 is: 654,058.54
Step by Step Solution
- Step 1: Write the proportion equation
855,928.71 : 1,181,181.55 = 473,955.49 : x - Step 2: Convert to fraction form
855,928.71/1,181,181.55 = 473,955.49/x - Step 3: Cross multiply
855,928.71x = 1,181,181.55 × 473,955.49 - Step 4: Simplify right side
855,928.71x = 559,827,480,309.21 - Step 5: Solve for x
x = 559,827,480,309.21/855,928.71 - Step 6: Final answer
x = 654,058.54
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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.