Finding the Fourth Proportional to 827,925.60, 1,142,642.96 and 505,567.84
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Solution
The fourth proportional to 827,925.60, 1,142,642.96 and 505,567.84 is: 697,748.12
Step by Step Solution
- Step 1: Write the proportion equation
827,925.60 : 1,142,642.96 = 505,567.84 : x - Step 2: Convert to fraction form
827,925.60/1,142,642.96 = 505,567.84/x - Step 3: Cross multiply
827,925.60x = 1,142,642.96 × 505,567.84 - Step 4: Simplify right side
827,925.60x = 577,683,533,178.41 - Step 5: Solve for x
x = 577,683,533,178.41/827,925.60 - Step 6: Final answer
x = 697,748.12
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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.