Finding the Fourth Proportional to 647,215.80, 893,161.98 and 360,754.08
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Solution
The fourth proportional to 647,215.80, 893,161.98 and 360,754.08 is: 497,842.96
Step by Step Solution
- Step 1: Write the proportion equation
647,215.80 : 893,161.98 = 360,754.08 : x - Step 2: Convert to fraction form
647,215.80/893,161.98 = 360,754.08/x - Step 3: Cross multiply
647,215.80x = 893,161.98 × 360,754.08 - Step 4: Simplify right side
647,215.80x = 322,211,828,385.88 - Step 5: Solve for x
x = 322,211,828,385.88/647,215.80 - Step 6: Final answer
x = 497,842.96
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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.