Finding the Fourth Proportional to 808,319.90, 1,115,465.93 and 445,777.26
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Solution
The fourth proportional to 808,319.90, 1,115,465.93 and 445,777.26 is: 615,164.06
Step by Step Solution
- Step 1: Write the proportion equation
808,319.90 : 1,115,465.93 = 445,777.26 : x - Step 2: Convert to fraction form
808,319.90/1,115,465.93 = 445,777.26/x - Step 3: Cross multiply
808,319.90x = 1,115,465.93 × 445,777.26 - Step 4: Simplify right side
808,319.90x = 497,249,345,550.98 - Step 5: Solve for x
x = 497,249,345,550.98/808,319.90 - Step 6: Final answer
x = 615,164.06
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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.