Finding the Fourth Proportional to 489,029.40, 732,377.70 and 239,419.80
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Solution
The fourth proportional to 489,029.40, 732,377.70 and 239,419.80 is: 358,558.65
Step by Step Solution
- Step 1: Write the proportion equation
489,029.40 : 732,377.70 = 239,419.80 : x - Step 2: Convert to fraction form
489,029.40/732,377.70 = 239,419.80/x - Step 3: Cross multiply
489,029.40x = 732,377.70 × 239,419.80 - Step 4: Simplify right side
489,029.40x = 175,345,722,458.46 - Step 5: Solve for x
x = 175,345,722,458.46/489,029.40 - Step 6: Final answer
x = 358,558.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.