Finding the Fourth Proportional to 922,383.98, 1,272,886.62 and 514,485.50
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Solution
The fourth proportional to 922,383.98, 1,272,886.62 and 514,485.50 is: 709,988.16
Step by Step Solution
- Step 1: Write the proportion equation
922,383.98 : 1,272,886.62 = 514,485.50 : x - Step 2: Convert to fraction form
922,383.98/1,272,886.62 = 514,485.50/x - Step 3: Cross multiply
922,383.98x = 1,272,886.62 × 514,485.50 - Step 4: Simplify right side
922,383.98x = 654,881,709,134.01 - Step 5: Solve for x
x = 654,881,709,134.01/922,383.98 - Step 6: Final answer
x = 709,988.16
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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.