Finding the Fourth Proportional to 989,976.74, 1,365,970.28 and 602,532.65
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Solution
The fourth proportional to 989,976.74, 1,365,970.28 and 602,532.65 is: 831,374.77
Step by Step Solution
- Step 1: Write the proportion equation
989,976.74 : 1,365,970.28 = 602,532.65 : x - Step 2: Convert to fraction form
989,976.74/1,365,970.28 = 602,532.65/x - Step 3: Cross multiply
989,976.74x = 1,365,970.28 × 602,532.65 - Step 4: Simplify right side
989,976.74x = 823,041,682,787.13 - Step 5: Solve for x
x = 823,041,682,787.13/989,976.74 - Step 6: Final answer
x = 831,374.77
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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.