Finding the Fourth Proportional to 520,929.12, 785,297.99 and 486,208.94
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Solution
The fourth proportional to 520,929.12, 785,297.99 and 486,208.94 is: 732,957.50
Step by Step Solution
- Step 1: Write the proportion equation
520,929.12 : 785,297.99 = 486,208.94 : x - Step 2: Convert to fraction form
520,929.12/785,297.99 = 486,208.94/x - Step 3: Cross multiply
520,929.12x = 785,297.99 × 486,208.94 - Step 4: Simplify right side
520,929.12x = 381,818,903,302.03 - Step 5: Solve for x
x = 381,818,903,302.03/520,929.12 - Step 6: Final answer
x = 732,957.50
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.