Finding the Fourth Proportional to 858,722.80, 1,294,256.63 and 740,210.18
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Solution
The fourth proportional to 858,722.80, 1,294,256.63 and 740,210.18 is: 1,115,635.84
Step by Step Solution
- Step 1: Write the proportion equation
858,722.80 : 1,294,256.63 = 740,210.18 : x - Step 2: Convert to fraction form
858,722.80/1,294,256.63 = 740,210.18/x - Step 3: Cross multiply
858,722.80x = 1,294,256.63 × 740,210.18 - Step 4: Simplify right side
858,722.80x = 958,021,933,058.49 - Step 5: Solve for x
x = 958,021,933,058.49/858,722.80 - Step 6: Final answer
x = 1,115,635.84
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.