Finding the Fourth Proportional to 608,623.40, 912,935.10 and 563,133.80
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Solution
The fourth proportional to 608,623.40, 912,935.10 and 563,133.80 is: 844,700.70
Step by Step Solution
- Step 1: Write the proportion equation
608,623.40 : 912,935.10 = 563,133.80 : x - Step 2: Convert to fraction form
608,623.40/912,935.10 = 563,133.80/x - Step 3: Cross multiply
608,623.40x = 912,935.10 × 563,133.80 - Step 4: Simplify right side
608,623.40x = 514,104,612,016.38 - Step 5: Solve for x
x = 514,104,612,016.38/608,623.40 - Step 6: Final answer
x = 844,700.70
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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.