Finding the Fourth Proportional to 852,543.18, 1,176,509.70 and 470,570.08
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Solution
The fourth proportional to 852,543.18, 1,176,509.70 and 470,570.08 is: 649,386.77
Step by Step Solution
- Step 1: Write the proportion equation
852,543.18 : 1,176,509.70 = 470,570.08 : x - Step 2: Convert to fraction form
852,543.18/1,176,509.70 = 470,570.08/x - Step 3: Cross multiply
852,543.18x = 1,176,509.70 × 470,570.08 - Step 4: Simplify right side
852,543.18x = 553,630,263,649.78 - Step 5: Solve for x
x = 553,630,263,649.78/852,543.18 - Step 6: Final answer
x = 649,386.77
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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.