Finding the Fourth Proportional to 632,763.19, 873,620.74 and 564,663.05
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Solution
The fourth proportional to 632,763.19, 873,620.74 and 564,663.05 is: 779,598.69
Step by Step Solution
- Step 1: Write the proportion equation
632,763.19 : 873,620.74 = 564,663.05 : x - Step 2: Convert to fraction form
632,763.19/873,620.74 = 564,663.05/x - Step 3: Cross multiply
632,763.19x = 873,620.74 × 564,663.05 - Step 4: Simplify right side
632,763.19x = 493,301,351,591.66 - Step 5: Solve for x
x = 493,301,351,591.66/632,763.19 - Step 6: Final answer
x = 779,598.69
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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.