Finding the Fourth Proportional to 768,750.18, 1,060,497.93 and 497,051.07
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Solution
The fourth proportional to 768,750.18, 1,060,497.93 and 497,051.07 is: 685,686.51
Step by Step Solution
- Step 1: Write the proportion equation
768,750.18 : 1,060,497.93 = 497,051.07 : x - Step 2: Convert to fraction form
768,750.18/1,060,497.93 = 497,051.07/x - Step 3: Cross multiply
768,750.18x = 1,060,497.93 × 497,051.07 - Step 4: Simplify right side
768,750.18x = 527,121,630,839.29 - Step 5: Solve for x
x = 527,121,630,839.29/768,750.18 - Step 6: Final answer
x = 685,686.51
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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.