Finding the Fourth Proportional to 1,275,468.90, 1,913,313.48 and 328,831.62
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Solution
The fourth proportional to 1,275,468.90, 1,913,313.48 and 328,831.62 is: 493,275.82
Step by Step Solution
- Step 1: Write the proportion equation
1,275,468.90 : 1,913,313.48 = 328,831.62 : x - Step 2: Convert to fraction form
1,275,468.90/1,913,313.48 = 328,831.62/x - Step 3: Cross multiply
1,275,468.90x = 1,913,313.48 × 328,831.62 - Step 4: Simplify right side
1,275,468.90x = 629,157,971,196.24 - Step 5: Solve for x
x = 629,157,971,196.24/1,275,468.90 - Step 6: Final answer
x = 493,275.82
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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.