Finding the Fourth Proportional to 954.99, 1,430.88 and 588.99
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Solution
The fourth proportional to 954.99, 1,430.88 and 588.99 is: 882.50
Step by Step Solution
- Step 1: Write the proportion equation
954.99 : 1,430.88 = 588.99 : x - Step 2: Convert to fraction form
954.99/1,430.88 = 588.99/x - Step 3: Cross multiply
954.99x = 1,430.88 × 588.99 - Step 4: Simplify right side
954.99x = 842,774.01 - Step 5: Solve for x
x = 842,774.01/954.99 - Step 6: Final answer
x = 882.50
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Double scale
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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.