Finding the Fourth Proportional to 616,690.99, 924,615.54 and 328,545.75
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Solution
The fourth proportional to 616,690.99, 924,615.54 and 328,545.75 is: 492,594.37
Step by Step Solution
- Step 1: Write the proportion equation
616,690.99 : 924,615.54 = 328,545.75 : x - Step 2: Convert to fraction form
616,690.99/924,615.54 = 328,545.75/x - Step 3: Cross multiply
616,690.99x = 924,615.54 × 328,545.75 - Step 4: Simplify right side
616,690.99x = 303,778,506,050.96 - Step 5: Solve for x
x = 303,778,506,050.96/616,690.99 - Step 6: Final answer
x = 492,594.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.