Finding the Fourth Proportional to 489,266.08, 674,562.30 and 316,879.52
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Solution
The fourth proportional to 489,266.08, 674,562.30 and 316,879.52 is: 436,889.02
Step by Step Solution
- Step 1: Write the proportion equation
489,266.08 : 674,562.30 = 316,879.52 : x - Step 2: Convert to fraction form
489,266.08/674,562.30 = 316,879.52/x - Step 3: Cross multiply
489,266.08x = 674,562.30 × 316,879.52 - Step 4: Simplify right side
489,266.08x = 213,754,977,834.10 - Step 5: Solve for x
x = 213,754,977,834.10/489,266.08 - Step 6: Final answer
x = 436,889.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.