Finding the Fourth Proportional to 518,866.74, 716,053.90 and 301,058.95
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Solution
The fourth proportional to 518,866.74, 716,053.90 and 301,058.95 is: 415,471.68
Step by Step Solution
- Step 1: Write the proportion equation
518,866.74 : 716,053.90 = 301,058.95 : x - Step 2: Convert to fraction form
518,866.74/716,053.90 = 301,058.95/x - Step 3: Cross multiply
518,866.74x = 716,053.90 × 301,058.95 - Step 4: Simplify right side
518,866.74x = 215,574,435,277.41 - Step 5: Solve for x
x = 215,574,435,277.41/518,866.74 - Step 6: Final answer
x = 415,471.68
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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.