Finding the Fourth Proportional to 660,089.54, 910,926.52 and 373,664.99
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Solution
The fourth proportional to 660,089.54, 910,926.52 and 373,664.99 is: 515,659.36
Step by Step Solution
- Step 1: Write the proportion equation
660,089.54 : 910,926.52 = 373,664.99 : x - Step 2: Convert to fraction form
660,089.54/910,926.52 = 373,664.99/x - Step 3: Cross multiply
660,089.54x = 910,926.52 × 373,664.99 - Step 4: Simplify right side
660,089.54x = 340,381,348,986.54 - Step 5: Solve for x
x = 340,381,348,986.54/660,089.54 - Step 6: Final answer
x = 515,659.36
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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.