Finding the Fourth Proportional to 805,169.79, 1,111,381.88 and 518,688.99
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Solution
The fourth proportional to 805,169.79, 1,111,381.88 and 518,688.99 is: 715,950.29
Step by Step Solution
- Step 1: Write the proportion equation
805,169.79 : 1,111,381.88 = 518,688.99 : x - Step 2: Convert to fraction form
805,169.79/1,111,381.88 = 518,688.99/x - Step 3: Cross multiply
805,169.79x = 1,111,381.88 × 518,688.99 - Step 4: Simplify right side
805,169.79x = 576,461,542,248.06 - Step 5: Solve for x
x = 576,461,542,248.06/805,169.79 - Step 6: Final answer
x = 715,950.29
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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.