Finding the Fourth Proportional to 1,023,605.05, 1,534,327.06 and 383,490.65
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Solution
The fourth proportional to 1,023,605.05, 1,534,327.06 and 383,490.65 is: 574,831.17
Step by Step Solution
- Step 1: Write the proportion equation
1,023,605.05 : 1,534,327.06 = 383,490.65 : x - Step 2: Convert to fraction form
1,023,605.05/1,534,327.06 = 383,490.65/x - Step 3: Cross multiply
1,023,605.05x = 1,534,327.06 × 383,490.65 - Step 4: Simplify right side
1,023,605.05x = 588,400,085,148.13 - Step 5: Solve for x
x = 588,400,085,148.13/1,023,605.05 - Step 6: Final answer
x = 574,831.17
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1.5x scale
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.