Finding the Fourth Proportional to 564,637.94, 779,201.66 and 310,005.53
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Solution
The fourth proportional to 564,637.94, 779,201.66 and 310,005.53 is: 427,808.35
Step by Step Solution
- Step 1: Write the proportion equation
564,637.94 : 779,201.66 = 310,005.53 : x - Step 2: Convert to fraction form
564,637.94/779,201.66 = 310,005.53/x - Step 3: Cross multiply
564,637.94x = 779,201.66 × 310,005.53 - Step 4: Simplify right side
564,637.94x = 241,556,823,585.18 - Step 5: Solve for x
x = 241,556,823,585.18/564,637.94 - Step 6: Final answer
x = 427,808.35
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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.