Finding the Fourth Proportional to 530,011.96, 731,827.05 and 407,309.99
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Solution
The fourth proportional to 530,011.96, 731,827.05 and 407,309.99 is: 562,403.29
Step by Step Solution
- Step 1: Write the proportion equation
530,011.96 : 731,827.05 = 407,309.99 : x - Step 2: Convert to fraction form
530,011.96/731,827.05 = 407,309.99/x - Step 3: Cross multiply
530,011.96x = 731,827.05 × 407,309.99 - Step 4: Simplify right side
530,011.96x = 298,080,468,417.23 - Step 5: Solve for x
x = 298,080,468,417.23/530,011.96 - Step 6: Final answer
x = 562,403.29
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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.