Finding the Fourth Proportional to 935,570.08, 1,403,390.21 and 423,137.76
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Solution
The fourth proportional to 935,570.08, 1,403,390.21 and 423,137.76 is: 634,722.50
Step by Step Solution
- Step 1: Write the proportion equation
935,570.08 : 1,403,390.21 = 423,137.76 : x - Step 2: Convert to fraction form
935,570.08/1,403,390.21 = 423,137.76/x - Step 3: Cross multiply
935,570.08x = 1,403,390.21 × 423,137.76 - Step 4: Simplify right side
935,570.08x = 593,827,382,486.93 - Step 5: Solve for x
x = 593,827,382,486.93/935,570.08 - Step 6: Final answer
x = 634,722.50
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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.