Finding the Fourth Proportional to 559,671.84, 772,338.24 and 305,025.12
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Solution
The fourth proportional to 559,671.84, 772,338.24 and 305,025.12 is: 420,929.82
Step by Step Solution
- Step 1: Write the proportion equation
559,671.84 : 772,338.24 = 305,025.12 : x - Step 2: Convert to fraction form
559,671.84/772,338.24 = 305,025.12/x - Step 3: Cross multiply
559,671.84x = 772,338.24 × 305,025.12 - Step 4: Simplify right side
559,671.84x = 235,582,564,336.59 - Step 5: Solve for x
x = 235,582,564,336.59/559,671.84 - Step 6: Final answer
x = 420,929.82
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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.