Finding the Fourth Proportional to 959,715.98, 1,439,569.87 and 390,970.23
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Solution
The fourth proportional to 959,715.98, 1,439,569.87 and 390,970.23 is: 586,453.67
Step by Step Solution
- Step 1: Write the proportion equation
959,715.98 : 1,439,569.87 = 390,970.23 : x - Step 2: Convert to fraction form
959,715.98/1,439,569.87 = 390,970.23/x - Step 3: Cross multiply
959,715.98x = 1,439,569.87 × 390,970.23 - Step 4: Simplify right side
959,715.98x = 562,828,963,174.97 - Step 5: Solve for x
x = 562,828,963,174.97/959,715.98 - Step 6: Final answer
x = 586,453.67
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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.