Finding the Fourth Proportional to 852,319.08, 1,176,199.14 and 470,345.80
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Solution
The fourth proportional to 852,319.08, 1,176,199.14 and 470,345.80 is: 649,076.55
Step by Step Solution
- Step 1: Write the proportion equation
852,319.08 : 1,176,199.14 = 470,345.80 : x - Step 2: Convert to fraction form
852,319.08/1,176,199.14 = 470,345.80/x - Step 3: Cross multiply
852,319.08x = 1,176,199.14 × 470,345.80 - Step 4: Simplify right side
852,319.08x = 553,220,325,462.61 - Step 5: Solve for x
x = 553,220,325,462.61/852,319.08 - Step 6: Final answer
x = 649,076.55
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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.