Finding the Fourth Proportional to 759,854.95, 1,139,783.84 and 310,575.49
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Solution
The fourth proportional to 759,854.95, 1,139,783.84 and 310,575.49 is: 465,863.81
Step by Step Solution
- Step 1: Write the proportion equation
759,854.95 : 1,139,783.84 = 310,575.49 : x - Step 2: Convert to fraction form
759,854.95/1,139,783.84 = 310,575.49/x - Step 3: Cross multiply
759,854.95x = 1,139,783.84 × 310,575.49 - Step 4: Simplify right side
759,854.95x = 353,988,924,602.08 - Step 5: Solve for x
x = 353,988,924,602.08/759,854.95 - Step 6: Final answer
x = 465,863.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.