Finding the Fourth Proportional to 744,280.07, 1,116,788.99 and 294,990.98
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Solution
The fourth proportional to 744,280.07, 1,116,788.99 and 294,990.98 is: 442,632.67
Step by Step Solution
- Step 1: Write the proportion equation
744,280.07 : 1,116,788.99 = 294,990.98 : x - Step 2: Convert to fraction form
744,280.07/1,116,788.99 = 294,990.98/x - Step 3: Cross multiply
744,280.07x = 1,116,788.99 × 294,990.98 - Step 4: Simplify right side
744,280.07x = 329,442,671,554.41 - Step 5: Solve for x
x = 329,442,671,554.41/744,280.07 - Step 6: Final answer
x = 442,632.67
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1.5x scale
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.