Finding the Fourth Proportional to 620,036.37, 929,261.77 and 539,746.13
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Solution
The fourth proportional to 620,036.37, 929,261.77 and 539,746.13 is: 808,929.07
Step by Step Solution
- Step 1: Write the proportion equation
620,036.37 : 929,261.77 = 539,746.13 : x - Step 2: Convert to fraction form
620,036.37/929,261.77 = 539,746.13/x - Step 3: Cross multiply
620,036.37x = 929,261.77 × 539,746.13 - Step 4: Simplify right side
620,036.37x = 501,565,445,088.24 - Step 5: Solve for x
x = 501,565,445,088.24/620,036.37 - Step 6: Final answer
x = 808,929.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.