Finding the Fourth Proportional to 694,108.86, 957,972.87 and 439,483.74
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Solution
The fourth proportional to 694,108.86, 957,972.87 and 439,483.74 is: 606,552.55
Step by Step Solution
- Step 1: Write the proportion equation
694,108.86 : 957,972.87 = 439,483.74 : x - Step 2: Convert to fraction form
694,108.86/957,972.87 = 439,483.74/x - Step 3: Cross multiply
694,108.86x = 957,972.87 × 439,483.74 - Step 4: Simplify right side
694,108.86x = 421,013,499,726.13 - Step 5: Solve for x
x = 421,013,499,726.13/694,108.86 - Step 6: Final answer
x = 606,552.55
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1.5x scale
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.