Finding the Fourth Proportional to 998,454.40, 1,497,681.60 and 936,246.40
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Solution
The fourth proportional to 998,454.40, 1,497,681.60 and 936,246.40 is: 1,404,369.60
Step by Step Solution
- Step 1: Write the proportion equation
998,454.40 : 1,497,681.60 = 936,246.40 : x - Step 2: Convert to fraction form
998,454.40/1,497,681.60 = 936,246.40/x - Step 3: Cross multiply
998,454.40x = 1,497,681.60 × 936,246.40 - Step 4: Simplify right side
998,454.40x = 1,402,199,006,346.24 - Step 5: Solve for x
x = 1,402,199,006,346.24/998,454.40 - Step 6: Final answer
x = 1,404,369.60
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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.