Finding the Fourth Proportional to 564,657.84, 778,885.74 and 335,064.15
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Solution
The fourth proportional to 564,657.84, 778,885.74 and 335,064.15 is: 462,185.54
Step by Step Solution
- Step 1: Write the proportion equation
564,657.84 : 778,885.74 = 335,064.15 : x - Step 2: Convert to fraction form
564,657.84/778,885.74 = 335,064.15/x - Step 3: Cross multiply
564,657.84x = 778,885.74 × 335,064.15 - Step 4: Simplify right side
564,657.84x = 260,976,688,420.22 - Step 5: Solve for x
x = 260,976,688,420.22/564,657.84 - Step 6: Final answer
x = 462,185.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.