Finding the Fourth Proportional to 746,041.98, 1,119,393.81 and 390,971.70
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Solution
The fourth proportional to 746,041.98, 1,119,393.81 and 390,971.70 is: 586,630.93
Step by Step Solution
- Step 1: Write the proportion equation
746,041.98 : 1,119,393.81 = 390,971.70 : x - Step 2: Convert to fraction form
746,041.98/1,119,393.81 = 390,971.70/x - Step 3: Cross multiply
746,041.98x = 1,119,393.81 × 390,971.70 - Step 4: Simplify right side
746,041.98x = 437,651,300,865.18 - Step 5: Solve for x
x = 437,651,300,865.18/746,041.98 - Step 6: Final answer
x = 586,630.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.