Finding the Fourth Proportional to 808,621.68, 1,115,878.68 and 446,037.84
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Solution
The fourth proportional to 808,621.68, 1,115,878.68 and 446,037.84 is: 615,521.61
Step by Step Solution
- Step 1: Write the proportion equation
808,621.68 : 1,115,878.68 = 446,037.84 : x - Step 2: Convert to fraction form
808,621.68/1,115,878.68 = 446,037.84/x - Step 3: Cross multiply
808,621.68x = 1,115,878.68 × 446,037.84 - Step 4: Simplify right side
808,621.68x = 497,724,116,129.25 - Step 5: Solve for x
x = 497,724,116,129.25/808,621.68 - Step 6: Final answer
x = 615,521.61
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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.