Finding the Fourth Proportional to 671,309.18, 926,485.55 and 377,007.26
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Solution
The fourth proportional to 671,309.18, 926,485.55 and 377,007.26 is: 520,314.32
Step by Step Solution
- Step 1: Write the proportion equation
671,309.18 : 926,485.55 = 377,007.26 : x - Step 2: Convert to fraction form
671,309.18/926,485.55 = 377,007.26/x - Step 3: Cross multiply
671,309.18x = 926,485.55 × 377,007.26 - Step 4: Simplify right side
671,309.18x = 349,291,776,750.06 - Step 5: Solve for x
x = 349,291,776,750.06/671,309.18 - Step 6: Final answer
x = 520,314.32
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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.