Finding the Fourth Proportional to 778,455.36, 1,074,876.48 and 609,171.84
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Solution
The fourth proportional to 778,455.36, 1,074,876.48 and 609,171.84 is: 841,132.99
Step by Step Solution
- Step 1: Write the proportion equation
778,455.36 : 1,074,876.48 = 609,171.84 : x - Step 2: Convert to fraction form
778,455.36/1,074,876.48 = 609,171.84/x - Step 3: Cross multiply
778,455.36x = 1,074,876.48 × 609,171.84 - Step 4: Simplify right side
778,455.36x = 654,784,483,094.32 - Step 5: Solve for x
x = 654,784,483,094.32/778,455.36 - Step 6: Final answer
x = 841,132.99
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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.