Finding the Fourth Proportional to 704,646.18, 971,069.31 and 691,690.62
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Solution
The fourth proportional to 704,646.18, 971,069.31 and 691,690.62 is: 953,215.32
Step by Step Solution
- Step 1: Write the proportion equation
704,646.18 : 971,069.31 = 691,690.62 : x - Step 2: Convert to fraction form
704,646.18/971,069.31 = 691,690.62/x - Step 3: Cross multiply
704,646.18x = 971,069.31 × 691,690.62 - Step 4: Simplify right side
704,646.18x = 671,679,533,096.87 - Step 5: Solve for x
x = 671,679,533,096.87/704,646.18 - Step 6: Final answer
x = 953,215.32
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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.