Finding the Fourth Proportional to 671,322.20, 1,006,983.30 and 471,867.80
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Solution
The fourth proportional to 671,322.20, 1,006,983.30 and 471,867.80 is: 707,801.70
Step by Step Solution
- Step 1: Write the proportion equation
671,322.20 : 1,006,983.30 = 471,867.80 : x - Step 2: Convert to fraction form
671,322.20/1,006,983.30 = 471,867.80/x - Step 3: Cross multiply
671,322.20x = 1,006,983.30 × 471,867.80 - Step 4: Simplify right side
671,322.20x = 475,162,994,407.74 - Step 5: Solve for x
x = 475,162,994,407.74/671,322.20 - Step 6: Final answer
x = 707,801.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.