Finding the Fourth Proportional to 936,910.04, 1,292,934.36 and 507,190.06
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Solution
The fourth proportional to 936,910.04, 1,292,934.36 and 507,190.06 is: 699,921.47
Step by Step Solution
- Step 1: Write the proportion equation
936,910.04 : 1,292,934.36 = 507,190.06 : x - Step 2: Convert to fraction form
936,910.04/1,292,934.36 = 507,190.06/x - Step 3: Cross multiply
936,910.04x = 1,292,934.36 × 507,190.06 - Step 4: Simplify right side
936,910.04x = 655,763,455,624.46 - Step 5: Solve for x
x = 655,763,455,624.46/936,910.04 - Step 6: Final answer
x = 699,921.47
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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.