Finding the Fourth Proportional to 982,420.12, 1,473,630.18 and 351,295.66
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Solution
The fourth proportional to 982,420.12, 1,473,630.18 and 351,295.66 is: 526,943.49
Step by Step Solution
- Step 1: Write the proportion equation
982,420.12 : 1,473,630.18 = 351,295.66 : x - Step 2: Convert to fraction form
982,420.12/1,473,630.18 = 351,295.66/x - Step 3: Cross multiply
982,420.12x = 1,473,630.18 × 351,295.66 - Step 4: Simplify right side
982,420.12x = 517,679,886,679.02 - Step 5: Solve for x
x = 517,679,886,679.02/982,420.12 - Step 6: Final answer
x = 526,943.49
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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.