Finding the Fourth Proportional to 705,430.30, 1,058,836.65 and 350,844.70
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Solution
The fourth proportional to 705,430.30, 1,058,836.65 and 350,844.70 is: 526,610.82
Step by Step Solution
- Step 1: Write the proportion equation
705,430.30 : 1,058,836.65 = 350,844.70 : x - Step 2: Convert to fraction form
705,430.30/1,058,836.65 = 350,844.70/x - Step 3: Cross multiply
705,430.30x = 1,058,836.65 × 350,844.70 - Step 4: Simplify right side
705,430.30x = 371,487,226,818.26 - Step 5: Solve for x
x = 371,487,226,818.26/705,430.30 - Step 6: Final answer
x = 526,610.82
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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.