Finding the Fourth Proportional to 992,889.99, 1,370,130.26 and 557,266.86
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Solution
The fourth proportional to 992,889.99, 1,370,130.26 and 557,266.86 is: 768,995.75
Step by Step Solution
- Step 1: Write the proportion equation
992,889.99 : 1,370,130.26 = 557,266.86 : x - Step 2: Convert to fraction form
992,889.99/1,370,130.26 = 557,266.86/x - Step 3: Cross multiply
992,889.99x = 1,370,130.26 × 557,266.86 - Step 4: Simplify right side
992,889.99x = 763,528,184,994.85 - Step 5: Solve for x
x = 763,528,184,994.85/992,889.99 - Step 6: Final answer
x = 768,995.75
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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.