Finding the Fourth Proportional to 817,502.63, 1,128,153.62 and 459,806.63
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Solution
The fourth proportional to 817,502.63, 1,128,153.62 and 459,806.63 is: 634,533.14
Step by Step Solution
- Step 1: Write the proportion equation
817,502.63 : 1,128,153.62 = 459,806.63 : x - Step 2: Convert to fraction form
817,502.63/1,128,153.62 = 459,806.63/x - Step 3: Cross multiply
817,502.63x = 1,128,153.62 × 459,806.63 - Step 4: Simplify right side
817,502.63x = 518,732,509,643.25 - Step 5: Solve for x
x = 518,732,509,643.25/817,502.63 - Step 6: Final answer
x = 634,533.14
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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.