Finding the Fourth Proportional to 817,989.23, 1,128,532.97 and 473,637.17
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Solution
The fourth proportional to 817,989.23, 1,128,532.97 and 473,637.17 is: 653,450.12
Step by Step Solution
- Step 1: Write the proportion equation
817,989.23 : 1,128,532.97 = 473,637.17 : x - Step 2: Convert to fraction form
817,989.23/1,128,532.97 = 473,637.17/x - Step 3: Cross multiply
817,989.23x = 1,128,532.97 × 473,637.17 - Step 4: Simplify right side
817,989.23x = 534,515,166,167.92 - Step 5: Solve for x
x = 534,515,166,167.92/817,989.23 - Step 6: Final answer
x = 653,450.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.