Finding the Fourth Proportional to 1,490,605.08, 2,235,908.38 and 479,726.90
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Solution
The fourth proportional to 1,490,605.08, 2,235,908.38 and 479,726.90 is: 719,590.59
Step by Step Solution
- Step 1: Write the proportion equation
1,490,605.08 : 2,235,908.38 = 479,726.90 : x - Step 2: Convert to fraction form
1,490,605.08/2,235,908.38 = 479,726.90/x - Step 3: Cross multiply
1,490,605.08x = 2,235,908.38 × 479,726.90 - Step 4: Simplify right side
1,490,605.08x = 1,072,625,393,422.79 - Step 5: Solve for x
x = 1,072,625,393,422.79/1,490,605.08 - Step 6: Final answer
x = 719,590.59
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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.