Finding the Fourth Proportional to 1,153,266.32, 1,730,298.84 and 479,711.12
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Solution
The fourth proportional to 1,153,266.32, 1,730,298.84 and 479,711.12 is: 719,732.80
Step by Step Solution
- Step 1: Write the proportion equation
1,153,266.32 : 1,730,298.84 = 479,711.12 : x - Step 2: Convert to fraction form
1,153,266.32/1,730,298.84 = 479,711.12/x - Step 3: Cross multiply
1,153,266.32x = 1,730,298.84 × 479,711.12 - Step 4: Simplify right side
1,153,266.32x = 830,043,594,471.10 - Step 5: Solve for x
x = 830,043,594,471.10/1,153,266.32 - Step 6: Final answer
x = 719,732.80
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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.