Finding the Fourth Proportional to 893,055.53, 1,232,411.70 and 485,154.11
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Solution
The fourth proportional to 893,055.53, 1,232,411.70 and 485,154.11 is: 669,509.99
Step by Step Solution
- Step 1: Write the proportion equation
893,055.53 : 1,232,411.70 = 485,154.11 : x - Step 2: Convert to fraction form
893,055.53/1,232,411.70 = 485,154.11/x - Step 3: Cross multiply
893,055.53x = 1,232,411.70 × 485,154.11 - Step 4: Simplify right side
893,055.53x = 597,909,595,305.03 - Step 5: Solve for x
x = 597,909,595,305.03/893,055.53 - Step 6: Final answer
x = 669,509.99
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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.