Finding the Fourth Proportional to 872,253.73, 1,203,533.68 and 509,607.55
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Solution
The fourth proportional to 872,253.73, 1,203,533.68 and 509,607.55 is: 703,155.32
Step by Step Solution
- Step 1: Write the proportion equation
872,253.73 : 1,203,533.68 = 509,607.55 : x - Step 2: Convert to fraction form
872,253.73/1,203,533.68 = 509,607.55/x - Step 3: Cross multiply
872,253.73x = 1,203,533.68 × 509,607.55 - Step 4: Simplify right side
872,253.73x = 613,329,850,007.28 - Step 5: Solve for x
x = 613,329,850,007.28/872,253.73 - Step 6: Final answer
x = 703,155.32
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1.5x scale
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.