Finding the Fourth Proportional to 567,502.38, 783,158.73 and 312,862.68
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Solution
The fourth proportional to 567,502.38, 783,158.73 and 312,862.68 is: 431,753.50
Step by Step Solution
- Step 1: Write the proportion equation
567,502.38 : 783,158.73 = 312,862.68 : x - Step 2: Convert to fraction form
567,502.38/783,158.73 = 312,862.68/x - Step 3: Cross multiply
567,502.38x = 783,158.73 × 312,862.68 - Step 4: Simplify right side
567,502.38x = 245,021,139,133.20 - Step 5: Solve for x
x = 245,021,139,133.20/567,502.38 - Step 6: Final answer
x = 431,753.50
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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.