Finding the Fourth Proportional to 1,277,448.27, 1,915,400.60 and 509,064.18
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Solution
The fourth proportional to 1,277,448.27, 1,915,400.60 and 509,064.18 is: 763,288.71
Step by Step Solution
- Step 1: Write the proportion equation
1,277,448.27 : 1,915,400.60 = 509,064.18 : x - Step 2: Convert to fraction form
1,277,448.27/1,915,400.60 = 509,064.18/x - Step 3: Cross multiply
1,277,448.27x = 1,915,400.60 × 509,064.18 - Step 4: Simplify right side
1,277,448.27x = 975,061,841,629.04 - Step 5: Solve for x
x = 975,061,841,629.04/1,277,448.27 - Step 6: Final answer
x = 763,288.71
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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.