Finding the Fourth Proportional to 772,037.68, 1,158,000.72 and 239,545.12
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Solution
The fourth proportional to 772,037.68, 1,158,000.72 and 239,545.12 is: 359,300.37
Step by Step Solution
- Step 1: Write the proportion equation
772,037.68 : 1,158,000.72 = 239,545.12 : x - Step 2: Convert to fraction form
772,037.68/1,158,000.72 = 239,545.12/x - Step 3: Cross multiply
772,037.68x = 1,158,000.72 × 239,545.12 - Step 4: Simplify right side
772,037.68x = 277,393,421,432.49 - Step 5: Solve for x
x = 277,393,421,432.49/772,037.68 - Step 6: Final answer
x = 359,300.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.