Finding the Fourth Proportional to 583,556.13, 805,306.68 and 315,284.13
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Solution
The fourth proportional to 583,556.13, 805,306.68 and 315,284.13 is: 435,091.68
Step by Step Solution
- Step 1: Write the proportion equation
583,556.13 : 805,306.68 = 315,284.13 : x - Step 2: Convert to fraction form
583,556.13/805,306.68 = 315,284.13/x - Step 3: Cross multiply
583,556.13x = 805,306.68 × 315,284.13 - Step 4: Simplify right side
583,556.13x = 253,900,415,986.99 - Step 5: Solve for x
x = 253,900,415,986.99/583,556.13 - Step 6: Final answer
x = 435,091.68
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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.