Finding the Fourth Proportional to 724,425.08, 999,656.60 and 402,109.80
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Solution
The fourth proportional to 724,425.08, 999,656.60 and 402,109.80 is: 554,883.77
Step by Step Solution
- Step 1: Write the proportion equation
724,425.08 : 999,656.60 = 402,109.80 : x - Step 2: Convert to fraction form
724,425.08/999,656.60 = 402,109.80/x - Step 3: Cross multiply
724,425.08x = 999,656.60 × 402,109.80 - Step 4: Simplify right side
724,425.08x = 401,971,713,484.13 - Step 5: Solve for x
x = 401,971,713,484.13/724,425.08 - Step 6: Final answer
x = 554,883.77
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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.