Finding the Fourth Proportional to 709,603.91, 1,064,875.98 and 389,978.99
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Solution
The fourth proportional to 709,603.91, 1,064,875.98 and 389,978.99 is: 585,226.85
Step by Step Solution
- Step 1: Write the proportion equation
709,603.91 : 1,064,875.98 = 389,978.99 : x - Step 2: Convert to fraction form
709,603.91/1,064,875.98 = 389,978.99/x - Step 3: Cross multiply
709,603.91x = 1,064,875.98 × 389,978.99 - Step 4: Simplify right side
709,603.91x = 415,279,259,155.66 - Step 5: Solve for x
x = 415,279,259,155.66/709,603.91 - Step 6: Final answer
x = 585,226.85
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