Finding the Fourth Proportional to 922,403.12, 1,272,973.32 and 508,937.87
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Solution
The fourth proportional to 922,403.12, 1,272,973.32 and 508,937.87 is: 702,365.72
Step by Step Solution
- Step 1: Write the proportion equation
922,403.12 : 1,272,973.32 = 508,937.87 : x - Step 2: Convert to fraction form
922,403.12/1,272,973.32 = 508,937.87/x - Step 3: Cross multiply
922,403.12x = 1,272,973.32 × 508,937.87 - Step 4: Simplify right side
922,403.12x = 647,864,331,319.97 - Step 5: Solve for x
x = 647,864,331,319.97/922,403.12 - Step 6: Final answer
x = 702,365.72
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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.