Finding the Fourth Proportional to 791,567.13, 1,187,350.69 and 348,335.13
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Solution
The fourth proportional to 791,567.13, 1,187,350.69 and 348,335.13 is: 522,502.69
Step by Step Solution
- Step 1: Write the proportion equation
791,567.13 : 1,187,350.69 = 348,335.13 : x - Step 2: Convert to fraction form
791,567.13/1,187,350.69 = 348,335.13/x - Step 3: Cross multiply
791,567.13x = 1,187,350.69 × 348,335.13 - Step 4: Simplify right side
791,567.13x = 413,595,956,956.74 - Step 5: Solve for x
x = 413,595,956,956.74/791,567.13 - Step 6: Final answer
x = 522,502.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.