Finding the Fourth Proportional to 924,901.20, 1,276,353.98 and 542,854.18
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Solution
The fourth proportional to 924,901.20, 1,276,353.98 and 542,854.18 is: 749,133.09
Step by Step Solution
- Step 1: Write the proportion equation
924,901.20 : 1,276,353.98 = 542,854.18 : x - Step 2: Convert to fraction form
924,901.20/1,276,353.98 = 542,854.18/x - Step 3: Cross multiply
924,901.20x = 1,276,353.98 × 542,854.18 - Step 4: Simplify right side
924,901.20x = 692,874,093,202.64 - Step 5: Solve for x
x = 692,874,093,202.64/924,901.20 - Step 6: Final answer
x = 749,133.09
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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.