Finding the Fourth Proportional to 740,657.88, 1,021,698.57 and 602,984.94
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Solution
The fourth proportional to 740,657.88, 1,021,698.57 and 602,984.94 is: 831,785.99
Step by Step Solution
- Step 1: Write the proportion equation
740,657.88 : 1,021,698.57 = 602,984.94 : x - Step 2: Convert to fraction form
740,657.88/1,021,698.57 = 602,984.94/x - Step 3: Cross multiply
740,657.88x = 1,021,698.57 × 602,984.94 - Step 4: Simplify right side
740,657.88x = 616,068,850,929.54 - Step 5: Solve for x
x = 616,068,850,929.54/740,657.88 - Step 6: Final answer
x = 831,785.99
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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.