Finding the Fourth Proportional to 899,451.08, 1,239,134.82 and 627,023.96
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Solution
The fourth proportional to 899,451.08, 1,239,134.82 and 627,023.96 is: 863,823.77
Step by Step Solution
- Step 1: Write the proportion equation
899,451.08 : 1,239,134.82 = 627,023.96 : x - Step 2: Convert to fraction form
899,451.08/1,239,134.82 = 627,023.96/x - Step 3: Cross multiply
899,451.08x = 1,239,134.82 × 627,023.96 - Step 4: Simplify right side
899,451.08x = 776,967,221,810.29 - Step 5: Solve for x
x = 776,967,221,810.29/899,451.08 - Step 6: Final answer
x = 863,823.77
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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.