Finding the Fourth Proportional to 488,569.70, 732,854.55 and 239,737.70
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Solution
The fourth proportional to 488,569.70, 732,854.55 and 239,737.70 is: 359,606.55
Step by Step Solution
- Step 1: Write the proportion equation
488,569.70 : 732,854.55 = 239,737.70 : x - Step 2: Convert to fraction form
488,569.70/732,854.55 = 239,737.70/x - Step 3: Cross multiply
488,569.70x = 732,854.55 × 239,737.70 - Step 4: Simplify right side
488,569.70x = 175,692,864,251.54 - Step 5: Solve for x
x = 175,692,864,251.54/488,569.70 - Step 6: Final answer
x = 359,606.55
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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.