Finding the Fourth Proportional to 609,058.10, 840,306.96 and 354,360.08
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Solution
The fourth proportional to 609,058.10, 840,306.96 and 354,360.08 is: 488,904.49
Step by Step Solution
- Step 1: Write the proportion equation
609,058.10 : 840,306.96 = 354,360.08 : x - Step 2: Convert to fraction form
609,058.10/840,306.96 = 354,360.08/x - Step 3: Cross multiply
609,058.10x = 840,306.96 × 354,360.08 - Step 4: Simplify right side
609,058.10x = 297,771,243,670.92 - Step 5: Solve for x
x = 297,771,243,670.92/609,058.10 - Step 6: Final answer
x = 488,904.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.