Finding the Fourth Proportional to 956,603.46, 1,435,107.60 and 316,871
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Solution
The fourth proportional to 956,603.46, 1,435,107.60 and 316,871 is: 475,373.55
Step by Step Solution
- Step 1: Write the proportion equation
956,603.46 : 1,435,107.60 = 316,871 : x - Step 2: Convert to fraction form
956,603.46/1,435,107.60 = 316,871/x - Step 3: Cross multiply
956,603.46x = 1,435,107.60 × 316,871 - Step 4: Simplify right side
956,603.46x = 454,743,980,319.60 - Step 5: Solve for x
x = 454,743,980,319.60/956,603.46 - Step 6: Final answer
x = 475,373.55
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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.