Finding the Fourth Proportional to 908,984.60, 1,361,494.02 and 749,421.08
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Solution
The fourth proportional to 908,984.60, 1,361,494.02 and 749,421.08 is: 1,122,496.82
Step by Step Solution
- Step 1: Write the proportion equation
908,984.60 : 1,361,494.02 = 749,421.08 : x - Step 2: Convert to fraction form
908,984.60/1,361,494.02 = 749,421.08/x - Step 3: Cross multiply
908,984.60x = 1,361,494.02 × 749,421.08 - Step 4: Simplify right side
908,984.60x = 1,020,332,318,881.94 - Step 5: Solve for x
x = 1,020,332,318,881.94/908,984.60 - Step 6: Final answer
x = 1,122,496.82
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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.