Finding the Fourth Proportional to 900,370.16, 1,242,893.44 and 561,006.08
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Solution
The fourth proportional to 900,370.16, 1,242,893.44 and 561,006.08 is: 774,426.79
Step by Step Solution
- Step 1: Write the proportion equation
900,370.16 : 1,242,893.44 = 561,006.08 : x - Step 2: Convert to fraction form
900,370.16/1,242,893.44 = 561,006.08/x - Step 3: Cross multiply
900,370.16x = 1,242,893.44 × 561,006.08 - Step 4: Simplify right side
900,370.16x = 697,270,776,632.12 - Step 5: Solve for x
x = 697,270,776,632.12/900,370.16 - Step 6: Final answer
x = 774,426.79
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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.