Finding the Fourth Proportional to 974,312.70, 1,461,690.45 and 441,986.10
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Solution
The fourth proportional to 974,312.70, 1,461,690.45 and 441,986.10 is: 663,079.59
Step by Step Solution
- Step 1: Write the proportion equation
974,312.70 : 1,461,690.45 = 441,986.10 : x - Step 2: Convert to fraction form
974,312.70/1,461,690.45 = 441,986.10/x - Step 3: Cross multiply
974,312.70x = 1,461,690.45 × 441,986.10 - Step 4: Simplify right side
974,312.70x = 646,046,861,402.75 - Step 5: Solve for x
x = 646,046,861,402.75/974,312.70 - Step 6: Final answer
x = 663,079.59
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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.