Finding the Fourth Proportional to 564,741.06, 842,129.81 and 486,358.98
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Solution
The fourth proportional to 564,741.06, 842,129.81 and 486,358.98 is: 725,248.12
Step by Step Solution
- Step 1: Write the proportion equation
564,741.06 : 842,129.81 = 486,358.98 : x - Step 2: Convert to fraction form
564,741.06/842,129.81 = 486,358.98/x - Step 3: Cross multiply
564,741.06x = 842,129.81 × 486,358.98 - Step 4: Simplify right side
564,741.06x = 409,577,392,987.40 - Step 5: Solve for x
x = 409,577,392,987.40/564,741.06 - Step 6: Final answer
x = 725,248.12
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.