Finding the Fourth Proportional to 761,331.76, 1,140,751.80 and 460,901.74
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Solution
The fourth proportional to 761,331.76, 1,140,751.80 and 460,901.74 is: 690,598.39
Step by Step Solution
- Step 1: Write the proportion equation
761,331.76 : 1,140,751.80 = 460,901.74 : x - Step 2: Convert to fraction form
761,331.76/1,140,751.80 = 460,901.74/x - Step 3: Cross multiply
761,331.76x = 1,140,751.80 × 460,901.74 - Step 4: Simplify right side
761,331.76x = 525,774,489,528.13 - Step 5: Solve for x
x = 525,774,489,528.13/761,331.76 - Step 6: Final answer
x = 690,598.39
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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.