Finding the Fourth Proportional to 943,335.14, 1,301,660.95 and 529,856.05
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Solution
The fourth proportional to 943,335.14, 1,301,660.95 and 529,856.05 is: 731,121.85
Step by Step Solution
- Step 1: Write the proportion equation
943,335.14 : 1,301,660.95 = 529,856.05 : x - Step 2: Convert to fraction form
943,335.14/1,301,660.95 = 529,856.05/x - Step 3: Cross multiply
943,335.14x = 1,301,660.95 × 529,856.05 - Step 4: Simplify right side
943,335.14x = 689,692,929,406.25 - Step 5: Solve for x
x = 689,692,929,406.25/943,335.14 - Step 6: Final answer
x = 731,121.85
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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.