Finding the Fourth Proportional to 913,860.48, 1,370,756.70 and 239,935.62
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Solution
The fourth proportional to 913,860.48, 1,370,756.70 and 239,935.62 is: 359,894.50
Step by Step Solution
- Step 1: Write the proportion equation
913,860.48 : 1,370,756.70 = 239,935.62 : x - Step 2: Convert to fraction form
913,860.48/1,370,756.70 = 239,935.62/x - Step 3: Cross multiply
913,860.48x = 1,370,756.70 × 239,935.62 - Step 4: Simplify right side
913,860.48x = 328,893,358,683.65 - Step 5: Solve for x
x = 328,893,358,683.65/913,860.48 - Step 6: Final answer
x = 359,894.50
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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.