Finding the Fourth Proportional to 953,053.53, 1,315,207.94 and 545,162.18
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Solution
The fourth proportional to 953,053.53, 1,315,207.94 and 545,162.18 is: 752,320.41
Step by Step Solution
- Step 1: Write the proportion equation
953,053.53 : 1,315,207.94 = 545,162.18 : x - Step 2: Convert to fraction form
953,053.53/1,315,207.94 = 545,162.18/x - Step 3: Cross multiply
953,053.53x = 1,315,207.94 × 545,162.18 - Step 4: Simplify right side
953,053.53x = 717,001,618,421.86 - Step 5: Solve for x
x = 717,001,618,421.86/953,053.53 - Step 6: Final answer
x = 752,320.41
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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.