Finding the Fourth Proportional to 569,415.74, 853,951.08 and 299,398.40
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Solution
The fourth proportional to 569,415.74, 853,951.08 and 299,398.40 is: 449,006.88
Step by Step Solution
- Step 1: Write the proportion equation
569,415.74 : 853,951.08 = 299,398.40 : x - Step 2: Convert to fraction form
569,415.74/853,951.08 = 299,398.40/x - Step 3: Cross multiply
569,415.74x = 853,951.08 × 299,398.40 - Step 4: Simplify right side
569,415.74x = 255,671,587,030.27 - Step 5: Solve for x
x = 255,671,587,030.27/569,415.74 - Step 6: Final answer
x = 449,006.88
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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.