Finding the Fourth Proportional to 957,417.28, 1,436,371.98 and 358,387.06
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Solution
The fourth proportional to 957,417.28, 1,436,371.98 and 358,387.06 is: 537,672.70
Step by Step Solution
- Step 1: Write the proportion equation
957,417.28 : 1,436,371.98 = 358,387.06 : x - Step 2: Convert to fraction form
957,417.28/1,436,371.98 = 358,387.06/x - Step 3: Cross multiply
957,417.28x = 1,436,371.98 × 358,387.06 - Step 4: Simplify right side
957,417.28x = 514,777,130,978.58 - Step 5: Solve for x
x = 514,777,130,978.58/957,417.28 - Step 6: Final answer
x = 537,672.70
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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.