Finding the Fourth Proportional to 555,783.18, 766,980.99 and 301,134.38
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Solution
The fourth proportional to 555,783.18, 766,980.99 and 301,134.38 is: 415,565.55
Step by Step Solution
- Step 1: Write the proportion equation
555,783.18 : 766,980.99 = 301,134.38 : x - Step 2: Convert to fraction form
555,783.18/766,980.99 = 301,134.38/x - Step 3: Cross multiply
555,783.18x = 766,980.99 × 301,134.38 - Step 4: Simplify right side
555,783.18x = 230,964,341,060.53 - Step 5: Solve for x
x = 230,964,341,060.53/555,783.18 - Step 6: Final answer
x = 415,565.55
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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.