Finding the Fourth Proportional to 975,342.84, 1,345,975.09 and 545,630.15
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Solution
The fourth proportional to 975,342.84, 1,345,975.09 and 545,630.15 is: 752,970.70
Step by Step Solution
- Step 1: Write the proportion equation
975,342.84 : 1,345,975.09 = 545,630.15 : x - Step 2: Convert to fraction form
975,342.84/1,345,975.09 = 545,630.15/x - Step 3: Cross multiply
975,342.84x = 1,345,975.09 × 545,630.15 - Step 4: Simplify right side
975,342.84x = 734,404,582,159.01 - Step 5: Solve for x
x = 734,404,582,159.01/975,342.84 - Step 6: Final answer
x = 752,970.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.