Finding the Fourth Proportional to 817,316.74, 1,225,962.78 and 367,720.12
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Solution
The fourth proportional to 817,316.74, 1,225,962.78 and 367,720.12 is: 551,574.63
Step by Step Solution
- Step 1: Write the proportion equation
817,316.74 : 1,225,962.78 = 367,720.12 : x - Step 2: Convert to fraction form
817,316.74/1,225,962.78 = 367,720.12/x - Step 3: Cross multiply
817,316.74x = 1,225,962.78 × 367,720.12 - Step 4: Simplify right side
817,316.74x = 450,811,180,577.13 - Step 5: Solve for x
x = 450,811,180,577.13/817,316.74 - Step 6: Final answer
x = 551,574.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.