Finding the Fourth Proportional to 774,727.38, 1,069,119.74 and 425,875.91
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Solution
The fourth proportional to 774,727.38, 1,069,119.74 and 425,875.91 is: 587,706.53
Step by Step Solution
- Step 1: Write the proportion equation
774,727.38 : 1,069,119.74 = 425,875.91 : x - Step 2: Convert to fraction form
774,727.38/1,069,119.74 = 425,875.91/x - Step 3: Cross multiply
774,727.38x = 1,069,119.74 × 425,875.91 - Step 4: Simplify right side
774,727.38x = 455,312,337,890.55 - Step 5: Solve for x
x = 455,312,337,890.55/774,727.38 - Step 6: Final answer
x = 587,706.53
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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.