Finding the Fourth Proportional to 532,103.99, 734,319.05 and 290,402.07
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Solution
The fourth proportional to 532,103.99, 734,319.05 and 290,402.07 is: 400,763.34
Step by Step Solution
- Step 1: Write the proportion equation
532,103.99 : 734,319.05 = 290,402.07 : x - Step 2: Convert to fraction form
532,103.99/734,319.05 = 290,402.07/x - Step 3: Cross multiply
532,103.99x = 734,319.05 × 290,402.07 - Step 4: Simplify right side
532,103.99x = 213,247,772,886.44 - Step 5: Solve for x
x = 213,247,772,886.44/532,103.99 - Step 6: Final answer
x = 400,763.34
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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.