Finding the Fourth Proportional to 657,265.08, 907,020.67 and 355,459.08
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Solution
The fourth proportional to 657,265.08, 907,020.67 and 355,459.08 is: 490,530.75
Step by Step Solution
- Step 1: Write the proportion equation
657,265.08 : 907,020.67 = 355,459.08 : x - Step 2: Convert to fraction form
657,265.08/907,020.67 = 355,459.08/x - Step 3: Cross multiply
657,265.08x = 907,020.67 × 355,459.08 - Step 4: Simplify right side
657,265.08x = 322,408,731,121.89 - Step 5: Solve for x
x = 322,408,731,121.89/657,265.08 - Step 6: Final answer
x = 490,530.75
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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.