Finding the Fourth Proportional to 974,877.08, 1,345,305.20 and 539,283.08
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Solution
The fourth proportional to 974,877.08, 1,345,305.20 and 539,283.08 is: 744,196.73
Step by Step Solution
- Step 1: Write the proportion equation
974,877.08 : 1,345,305.20 = 539,283.08 : x - Step 2: Convert to fraction form
974,877.08/1,345,305.20 = 539,283.08/x - Step 3: Cross multiply
974,877.08x = 1,345,305.20 × 539,283.08 - Step 4: Simplify right side
974,877.08x = 725,500,331,796.02 - Step 5: Solve for x
x = 725,500,331,796.02/974,877.08 - Step 6: Final answer
x = 744,196.73
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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.