Finding the Fourth Proportional to 997,436.28, 1,498,368.98 and 618,637.08
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Solution
The fourth proportional to 997,436.28, 1,498,368.98 and 618,637.08 is: 929,329.15
Step by Step Solution
- Step 1: Write the proportion equation
997,436.28 : 1,498,368.98 = 618,637.08 : x - Step 2: Convert to fraction form
997,436.28/1,498,368.98 = 618,637.08/x - Step 3: Cross multiply
997,436.28x = 1,498,368.98 × 618,637.08 - Step 4: Simplify right side
997,436.28x = 926,946,610,549.78 - Step 5: Solve for x
x = 926,946,610,549.78/997,436.28 - Step 6: Final answer
x = 929,329.15
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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.