Finding the Fourth Proportional to 660,326.15, 909,617.77 and 563,213.63
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Solution
The fourth proportional to 660,326.15, 909,617.77 and 563,213.63 is: 775,842.55
Step by Step Solution
- Step 1: Write the proportion equation
660,326.15 : 909,617.77 = 563,213.63 : x - Step 2: Convert to fraction form
660,326.15/909,617.77 = 563,213.63/x - Step 3: Cross multiply
660,326.15x = 909,617.77 × 563,213.63 - Step 4: Simplify right side
660,326.15x = 512,309,126,154.21 - Step 5: Solve for x
x = 512,309,126,154.21/660,326.15 - Step 6: Final answer
x = 775,842.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.