Finding the Fourth Proportional to 610,509.15, 842,545.80 and 338,602.95
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Solution
The fourth proportional to 610,509.15, 842,545.80 and 338,602.95 is: 467,296.02
Step by Step Solution
- Step 1: Write the proportion equation
610,509.15 : 842,545.80 = 338,602.95 : x - Step 2: Convert to fraction form
610,509.15/842,545.80 = 338,602.95/x - Step 3: Cross multiply
610,509.15x = 842,545.80 × 338,602.95 - Step 4: Simplify right side
610,509.15x = 285,288,493,390.11 - Step 5: Solve for x
x = 285,288,493,390.11/610,509.15 - Step 6: Final answer
x = 467,296.02
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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.