Finding the Fourth Proportional to 847,643.13, 1,169,747.99 and 465,694.51
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Solution
The fourth proportional to 847,643.13, 1,169,747.99 and 465,694.51 is: 642,658.68
Step by Step Solution
- Step 1: Write the proportion equation
847,643.13 : 1,169,747.99 = 465,694.51 : x - Step 2: Convert to fraction form
847,643.13/1,169,747.99 = 465,694.51/x - Step 3: Cross multiply
847,643.13x = 1,169,747.99 × 465,694.51 - Step 4: Simplify right side
847,643.13x = 544,745,214,698.06 - Step 5: Solve for x
x = 544,745,214,698.06/847,643.13 - Step 6: Final answer
x = 642,658.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.