Finding the Fourth Proportional to 704,877.96, 972,729.12 and 382,588.05
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Solution
The fourth proportional to 704,877.96, 972,729.12 and 382,588.05 is: 527,970.17
Step by Step Solution
- Step 1: Write the proportion equation
704,877.96 : 972,729.12 = 382,588.05 : x - Step 2: Convert to fraction form
704,877.96/972,729.12 = 382,588.05/x - Step 3: Cross multiply
704,877.96x = 972,729.12 × 382,588.05 - Step 4: Simplify right side
704,877.96x = 372,154,537,199.02 - Step 5: Solve for x
x = 372,154,537,199.02/704,877.96 - Step 6: Final answer
x = 527,970.17
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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.