Finding the Fourth Proportional to 808,219.84, 1,115,291.80 and 445,646.04
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Solution
The fourth proportional to 808,219.84, 1,115,291.80 and 445,646.04 is: 614,963.09
Step by Step Solution
- Step 1: Write the proportion equation
808,219.84 : 1,115,291.80 = 445,646.04 : x - Step 2: Convert to fraction form
808,219.84/1,115,291.80 = 445,646.04/x - Step 3: Cross multiply
808,219.84x = 1,115,291.80 × 445,646.04 - Step 4: Simplify right side
808,219.84x = 497,025,374,114.47 - Step 5: Solve for x
x = 497,025,374,114.47/808,219.84 - Step 6: Final answer
x = 614,963.09
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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.