Finding the Fourth Proportional to 563,645.41, 776,947.12 and 427,132.87
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Solution
The fourth proportional to 563,645.41, 776,947.12 and 427,132.87 is: 588,773.81
Step by Step Solution
- Step 1: Write the proportion equation
563,645.41 : 776,947.12 = 427,132.87 : x - Step 2: Convert to fraction form
563,645.41/776,947.12 = 427,132.87/x - Step 3: Cross multiply
563,645.41x = 776,947.12 × 427,132.87 - Step 4: Simplify right side
563,645.41x = 331,859,655,146.20 - Step 5: Solve for x
x = 331,859,655,146.20/563,645.41 - Step 6: Final answer
x = 588,773.81
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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.