Finding the Fourth Proportional to 774,887.42, 1,069,271.29 and 430,682.49
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Solution
The fourth proportional to 774,887.42, 1,069,271.29 and 430,682.49 is: 594,301.07
Step by Step Solution
- Step 1: Write the proportion equation
774,887.42 : 1,069,271.29 = 430,682.49 : x - Step 2: Convert to fraction form
774,887.42/1,069,271.29 = 430,682.49/x - Step 3: Cross multiply
774,887.42x = 1,069,271.29 × 430,682.49 - Step 4: Simplify right side
774,887.42x = 460,516,423,088.62 - Step 5: Solve for x
x = 460,516,423,088.62/774,887.42 - Step 6: Final answer
x = 594,301.07
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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.