Finding the Fourth Proportional to 908,574.80, 1,361,331.30 and 718,305.80
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Solution
The fourth proportional to 908,574.80, 1,361,331.30 and 718,305.80 is: 1,076,248.39
Step by Step Solution
- Step 1: Write the proportion equation
908,574.80 : 1,361,331.30 = 718,305.80 : x - Step 2: Convert to fraction form
908,574.80/1,361,331.30 = 718,305.80/x - Step 3: Cross multiply
908,574.80x = 1,361,331.30 × 718,305.80 - Step 4: Simplify right side
908,574.80x = 977,852,168,511.54 - Step 5: Solve for x
x = 977,852,168,511.54/908,574.80 - Step 6: Final answer
x = 1,076,248.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.