Finding the Fourth Proportional to 570,619.99, 787,445.92 and 315,965.71
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Solution
The fourth proportional to 570,619.99, 787,445.92 and 315,965.71 is: 436,027.33
Step by Step Solution
- Step 1: Write the proportion equation
570,619.99 : 787,445.92 = 315,965.71 : x - Step 2: Convert to fraction form
570,619.99/787,445.92 = 315,965.71/x - Step 3: Cross multiply
570,619.99x = 787,445.92 × 315,965.71 - Step 4: Simplify right side
570,619.99x = 248,805,909,199.40 - Step 5: Solve for x
x = 248,805,909,199.40/570,619.99 - Step 6: Final answer
x = 436,027.33
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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.