Finding the Fourth Proportional to 747,628.83, 1,031,714.63 and 425,332.06
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Solution
The fourth proportional to 747,628.83, 1,031,714.63 and 425,332.06 is: 586,950.75
Step by Step Solution
- Step 1: Write the proportion equation
747,628.83 : 1,031,714.63 = 425,332.06 : x - Step 2: Convert to fraction form
747,628.83/1,031,714.63 = 425,332.06/x - Step 3: Cross multiply
747,628.83x = 1,031,714.63 × 425,332.06 - Step 4: Simplify right side
747,628.83x = 438,821,306,783.38 - Step 5: Solve for x
x = 438,821,306,783.38/747,628.83 - Step 6: Final answer
x = 586,950.75
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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.