Finding the Fourth Proportional to 452,565.84, 679,134.60 and 253,017.12
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Solution
The fourth proportional to 452,565.84, 679,134.60 and 253,017.12 is: 379,685.49
Step by Step Solution
- Step 1: Write the proportion equation
452,565.84 : 679,134.60 = 253,017.12 : x - Step 2: Convert to fraction form
452,565.84/679,134.60 = 253,017.12/x - Step 3: Cross multiply
452,565.84x = 679,134.60 × 253,017.12 - Step 4: Simplify right side
452,565.84x = 171,832,680,584.35 - Step 5: Solve for x
x = 171,832,680,584.35/452,565.84 - Step 6: Final answer
x = 379,685.49
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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.