Finding the Fourth Proportional to 1,007,664.35, 1,390,635.29 and 758,860.99
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Solution
The fourth proportional to 1,007,664.35, 1,390,635.29 and 758,860.99 is: 1,047,272.21
Step by Step Solution
- Step 1: Write the proportion equation
1,007,664.35 : 1,390,635.29 = 758,860.99 : x - Step 2: Convert to fraction form
1,007,664.35/1,390,635.29 = 758,860.99/x - Step 3: Cross multiply
1,007,664.35x = 1,390,635.29 × 758,860.99 - Step 4: Simplify right side
1,007,664.35x = 1,055,298,872,898.34 - Step 5: Solve for x
x = 1,055,298,872,898.34/1,007,664.35 - Step 6: Final answer
x = 1,047,272.21
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.