Finding the Fourth Proportional to 519,073.92, 716,307.84 and 292,740.48
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Solution
The fourth proportional to 519,073.92, 716,307.84 and 292,740.48 is: 403,973.87
Step by Step Solution
- Step 1: Write the proportion equation
519,073.92 : 716,307.84 = 292,740.48 : x - Step 2: Convert to fraction form
519,073.92/716,307.84 = 292,740.48/x - Step 3: Cross multiply
519,073.92x = 716,307.84 × 292,740.48 - Step 4: Simplify right side
519,073.92x = 209,692,300,909.36 - Step 5: Solve for x
x = 209,692,300,909.36/519,073.92 - Step 6: Final answer
x = 403,973.87
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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.