Finding the Fourth Proportional to 1,657,139.08, 2,485,304.70 and 459,030.28
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Solution
The fourth proportional to 1,657,139.08, 2,485,304.70 and 459,030.28 is: 688,433.53
Step by Step Solution
- Step 1: Write the proportion equation
1,657,139.08 : 2,485,304.70 = 459,030.28 : x - Step 2: Convert to fraction form
1,657,139.08/2,485,304.70 = 459,030.28/x - Step 3: Cross multiply
1,657,139.08x = 2,485,304.70 × 459,030.28 - Step 4: Simplify right side
1,657,139.08x = 1,140,830,112,326.32 - Step 5: Solve for x
x = 1,140,830,112,326.32/1,657,139.08 - Step 6: Final answer
x = 688,433.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.