Finding the Fourth Proportional to 971,857.92, 1,455,920.64 and 571,653.12
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Solution
The fourth proportional to 971,857.92, 1,455,920.64 and 571,653.12 is: 856,381.95
Step by Step Solution
- Step 1: Write the proportion equation
971,857.92 : 1,455,920.64 = 571,653.12 : x - Step 2: Convert to fraction form
971,857.92/1,455,920.64 = 571,653.12/x - Step 3: Cross multiply
971,857.92x = 1,455,920.64 × 571,653.12 - Step 4: Simplify right side
971,857.92x = 832,281,576,328.40 - Step 5: Solve for x
x = 832,281,576,328.40/971,857.92 - Step 6: Final answer
x = 856,381.95
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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.