Finding the Fourth Proportional to 551,323.28, 760,266.12 and 519,177.68
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Solution
The fourth proportional to 551,323.28, 760,266.12 and 519,177.68 is: 715,937.84
Step by Step Solution
- Step 1: Write the proportion equation
551,323.28 : 760,266.12 = 519,177.68 : x - Step 2: Convert to fraction form
551,323.28/760,266.12 = 519,177.68/x - Step 3: Cross multiply
551,323.28x = 760,266.12 × 519,177.68 - Step 4: Simplify right side
551,323.28x = 394,713,200,364.20 - Step 5: Solve for x
x = 394,713,200,364.20/551,323.28 - Step 6: Final answer
x = 715,937.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.