Finding the Fourth Proportional to 551,971.40, 761,711.46 and 306,946.40
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Solution
The fourth proportional to 551,971.40, 761,711.46 and 306,946.40 is: 423,580.99
Step by Step Solution
- Step 1: Write the proportion equation
551,971.40 : 761,711.46 = 306,946.40 : x - Step 2: Convert to fraction form
551,971.40/761,711.46 = 306,946.40/x - Step 3: Cross multiply
551,971.40x = 761,711.46 × 306,946.40 - Step 4: Simplify right side
551,971.40x = 233,804,590,485.74 - Step 5: Solve for x
x = 233,804,590,485.74/551,971.40 - Step 6: Final answer
x = 423,580.99
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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.