Finding the Fourth Proportional to 869,032.90, 1,199,388.99 and 481,934.41
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Solution
The fourth proportional to 869,032.90, 1,199,388.99 and 481,934.41 is: 665,138.02
Step by Step Solution
- Step 1: Write the proportion equation
869,032.90 : 1,199,388.99 = 481,934.41 : x - Step 2: Convert to fraction form
869,032.90/1,199,388.99 = 481,934.41/x - Step 3: Cross multiply
869,032.90x = 1,199,388.99 × 481,934.41 - Step 4: Simplify right side
869,032.90x = 578,026,824,640.68 - Step 5: Solve for x
x = 578,026,824,640.68/869,032.90 - Step 6: Final answer
x = 665,138.02
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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.