Finding the Fourth Proportional to 497,980.84, 687,271.14 and 277,240.36
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Solution
The fourth proportional to 497,980.84, 687,271.14 and 277,240.36 is: 382,623.75
Step by Step Solution
- Step 1: Write the proportion equation
497,980.84 : 687,271.14 = 277,240.36 : x - Step 2: Convert to fraction form
497,980.84/687,271.14 = 277,240.36/x - Step 3: Cross multiply
497,980.84x = 687,271.14 × 277,240.36 - Step 4: Simplify right side
497,980.84x = 190,539,298,271.21 - Step 5: Solve for x
x = 190,539,298,271.21/497,980.84 - Step 6: Final answer
x = 382,623.75
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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.