Finding the Fourth Proportional to 809,657.68, 1,117,426.12 and 470,125.94
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Solution
The fourth proportional to 809,657.68, 1,117,426.12 and 470,125.94 is: 648,831.00
Step by Step Solution
- Step 1: Write the proportion equation
809,657.68 : 1,117,426.12 = 470,125.94 : x - Step 2: Convert to fraction form
809,657.68/1,117,426.12 = 470,125.94/x - Step 3: Cross multiply
809,657.68x = 1,117,426.12 × 470,125.94 - Step 4: Simplify right side
809,657.68x = 525,331,005,045.55 - Step 5: Solve for x
x = 525,331,005,045.55/809,657.68 - Step 6: Final answer
x = 648,831.00
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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.