Finding the Fourth Proportional to 761,623.22, 1,142,407.08 and 306,355.43
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Solution
The fourth proportional to 761,623.22, 1,142,407.08 and 306,355.43 is: 459,521.99
Step by Step Solution
- Step 1: Write the proportion equation
761,623.22 : 1,142,407.08 = 306,355.43 : x - Step 2: Convert to fraction form
761,623.22/1,142,407.08 = 306,355.43/x - Step 3: Cross multiply
761,623.22x = 1,142,407.08 × 306,355.43 - Step 4: Simplify right side
761,623.22x = 349,982,615,084.46 - Step 5: Solve for x
x = 349,982,615,084.46/761,623.22 - Step 6: Final answer
x = 459,521.99
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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.