Finding the Fourth Proportional to 847,776.19, 1,169,641.79 and 525,368.65
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Solution
The fourth proportional to 847,776.19, 1,169,641.79 and 525,368.65 is: 724,829.42
Step by Step Solution
- Step 1: Write the proportion equation
847,776.19 : 1,169,641.79 = 525,368.65 : x - Step 2: Convert to fraction form
847,776.19/1,169,641.79 = 525,368.65/x - Step 3: Cross multiply
847,776.19x = 1,169,641.79 × 525,368.65 - Step 4: Simplify right side
847,776.19x = 614,493,125,569.04 - Step 5: Solve for x
x = 614,493,125,569.04/847,776.19 - Step 6: Final answer
x = 724,829.42
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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.