Finding the Fourth Proportional to 497,677.04, 686,577.68 and 316,291.76
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Solution
The fourth proportional to 497,677.04, 686,577.68 and 316,291.76 is: 436,344.95
Step by Step Solution
- Step 1: Write the proportion equation
497,677.04 : 686,577.68 = 316,291.76 : x - Step 2: Convert to fraction form
497,677.04/686,577.68 = 316,291.76/x - Step 3: Cross multiply
497,677.04x = 686,577.68 × 316,291.76 - Step 4: Simplify right side
497,677.04x = 217,158,862,783.92 - Step 5: Solve for x
x = 217,158,862,783.92/497,677.04 - Step 6: Final answer
x = 436,344.95
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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.