Finding the Fourth Proportional to 808,673.91, 1,115,952.15 and 446,098.08
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Solution
The fourth proportional to 808,673.91, 1,115,952.15 and 446,098.08 is: 615,605.51
Step by Step Solution
- Step 1: Write the proportion equation
808,673.91 : 1,115,952.15 = 446,098.08 : x - Step 2: Convert to fraction form
808,673.91/1,115,952.15 = 446,098.08/x - Step 3: Cross multiply
808,673.91x = 1,115,952.15 × 446,098.08 - Step 4: Simplify right side
808,673.91x = 497,824,111,486.87 - Step 5: Solve for x
x = 497,824,111,486.87/808,673.91 - Step 6: Final answer
x = 615,605.51
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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.