Finding the Fourth Proportional to 1,022,847.68, 1,411,539.36 and 563,978.71
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Solution
The fourth proportional to 1,022,847.68, 1,411,539.36 and 563,978.71 is: 778,295.89
Step by Step Solution
- Step 1: Write the proportion equation
1,022,847.68 : 1,411,539.36 = 563,978.71 : x - Step 2: Convert to fraction form
1,022,847.68/1,411,539.36 = 563,978.71/x - Step 3: Cross multiply
1,022,847.68x = 1,411,539.36 × 563,978.71 - Step 4: Simplify right side
1,022,847.68x = 796,078,144,547.13 - Step 5: Solve for x
x = 796,078,144,547.13/1,022,847.68 - Step 6: Final answer
x = 778,295.89
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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.