Finding the Fourth Proportional to 537,725.40, 805,616.10 and 312,901.80
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Solution
The fourth proportional to 537,725.40, 805,616.10 and 312,901.80 is: 468,787.09
Step by Step Solution
- Step 1: Write the proportion equation
537,725.40 : 805,616.10 = 312,901.80 : x - Step 2: Convert to fraction form
537,725.40/805,616.10 = 312,901.80/x - Step 3: Cross multiply
537,725.40x = 805,616.10 × 312,901.80 - Step 4: Simplify right side
537,725.40x = 252,078,727,798.98 - Step 5: Solve for x
x = 252,078,727,798.98/537,725.40 - Step 6: Final answer
x = 468,787.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.