Finding the Fourth Proportional to 545,430.24, 752,435.33 and 354,373.92
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Solution
The fourth proportional to 545,430.24, 752,435.33 and 354,373.92 is: 488,868.12
Step by Step Solution
- Step 1: Write the proportion equation
545,430.24 : 752,435.33 = 354,373.92 : x - Step 2: Convert to fraction form
545,430.24/752,435.33 = 354,373.92/x - Step 3: Cross multiply
545,430.24x = 752,435.33 × 354,373.92 - Step 4: Simplify right side
545,430.24x = 266,643,455,666.72 - Step 5: Solve for x
x = 266,643,455,666.72/545,430.24 - Step 6: Final answer
x = 488,868.12
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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.