Finding the Fourth Proportional to 842,790.19, 1,163,366.73 and 552,420.46
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Solution
The fourth proportional to 842,790.19, 1,163,366.73 and 552,420.46 is: 762,547.54
Step by Step Solution
- Step 1: Write the proportion equation
842,790.19 : 1,163,366.73 = 552,420.46 : x - Step 2: Convert to fraction form
842,790.19/1,163,366.73 = 552,420.46/x - Step 3: Cross multiply
842,790.19x = 1,163,366.73 × 552,420.46 - Step 4: Simplify right side
842,790.19x = 642,667,584,135.30 - Step 5: Solve for x
x = 642,667,584,135.30/842,790.19 - Step 6: Final answer
x = 762,547.54
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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.