Finding the Fourth Proportional to 900,527.99, 1,242,718.94 and 492,637.91
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Solution
The fourth proportional to 900,527.99, 1,242,718.94 and 492,637.91 is: 679,835.02
Step by Step Solution
- Step 1: Write the proportion equation
900,527.99 : 1,242,718.94 = 492,637.91 : x - Step 2: Convert to fraction form
900,527.99/1,242,718.94 = 492,637.91/x - Step 3: Cross multiply
900,527.99x = 1,242,718.94 × 492,637.91 - Step 4: Simplify right side
900,527.99x = 612,210,456,337.02 - Step 5: Solve for x
x = 612,210,456,337.02/900,527.99 - Step 6: Final answer
x = 679,835.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.