Finding the Fourth Proportional to 1,019,256.35, 1,406,574.63 and 560,378.70
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Solution
The fourth proportional to 1,019,256.35, 1,406,574.63 and 560,378.70 is: 773,323.09
Step by Step Solution
- Step 1: Write the proportion equation
1,019,256.35 : 1,406,574.63 = 560,378.70 : x - Step 2: Convert to fraction form
1,019,256.35/1,406,574.63 = 560,378.70/x - Step 3: Cross multiply
1,019,256.35x = 1,406,574.63 × 560,378.70 - Step 4: Simplify right side
1,019,256.35x = 788,214,462,612.38 - Step 5: Solve for x
x = 788,214,462,612.38/1,019,256.35 - Step 6: Final answer
x = 773,323.09
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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.