Finding the Fourth Proportional to 1,478,781.08, 2,218,564.60 and 467,920.99
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Solution
The fourth proportional to 1,478,781.08, 2,218,564.60 and 467,920.99 is: 702,005.83
Step by Step Solution
- Step 1: Write the proportion equation
1,478,781.08 : 2,218,564.60 = 467,920.99 : x - Step 2: Convert to fraction form
1,478,781.08/2,218,564.60 = 467,920.99/x - Step 3: Cross multiply
1,478,781.08x = 2,218,564.60 × 467,920.99 - Step 4: Simplify right side
1,478,781.08x = 1,038,112,937,294.74 - Step 5: Solve for x
x = 1,038,112,937,294.74/1,478,781.08 - Step 6: Final answer
x = 702,005.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.