Finding the Fourth Proportional to 855,813.93, 1,181,060.12 and 473,840.70
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Solution
The fourth proportional to 855,813.93, 1,181,060.12 and 473,840.70 is: 653,920.59
Step by Step Solution
- Step 1: Write the proportion equation
855,813.93 : 1,181,060.12 = 473,840.70 : x - Step 2: Convert to fraction form
855,813.93/1,181,060.12 = 473,840.70/x - Step 3: Cross multiply
855,813.93x = 1,181,060.12 × 473,840.70 - Step 4: Simplify right side
855,813.93x = 559,634,354,002.88 - Step 5: Solve for x
x = 559,634,354,002.88/855,813.93 - Step 6: Final answer
x = 653,920.59
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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.