Finding the Fourth Proportional to 798,830.05, 1,103,587.99 and 523,842.14
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Solution
The fourth proportional to 798,830.05, 1,103,587.99 and 523,842.14 is: 723,690.72
Step by Step Solution
- Step 1: Write the proportion equation
798,830.05 : 1,103,587.99 = 523,842.14 : x - Step 2: Convert to fraction form
798,830.05/1,103,587.99 = 523,842.14/x - Step 3: Cross multiply
798,830.05x = 1,103,587.99 × 523,842.14 - Step 4: Simplify right side
798,830.05x = 578,105,894,359.90 - Step 5: Solve for x
x = 578,105,894,359.90/798,830.05 - Step 6: Final answer
x = 723,690.72
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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.