Finding the Fourth Proportional to 974,804.60, 1,462,206.90 and 310,023.80
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Solution
The fourth proportional to 974,804.60, 1,462,206.90 and 310,023.80 is: 465,035.70
Step by Step Solution
- Step 1: Write the proportion equation
974,804.60 : 1,462,206.90 = 310,023.80 : x - Step 2: Convert to fraction form
974,804.60/1,462,206.90 = 310,023.80/x - Step 3: Cross multiply
974,804.60x = 1,462,206.90 × 310,023.80 - Step 4: Simplify right side
974,804.60x = 453,318,939,524.22 - Step 5: Solve for x
x = 453,318,939,524.22/974,804.60 - Step 6: Final answer
x = 465,035.70
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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.