Finding the Fourth Proportional to 752,570.10, 1,038,547.08 and 430,286.58
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Solution
The fourth proportional to 752,570.10, 1,038,547.08 and 430,286.58 is: 593,795.68
Step by Step Solution
- Step 1: Write the proportion equation
752,570.10 : 1,038,547.08 = 430,286.58 : x - Step 2: Convert to fraction form
752,570.10/1,038,547.08 = 430,286.58/x - Step 3: Cross multiply
752,570.10x = 1,038,547.08 × 430,286.58 - Step 4: Simplify right side
752,570.10x = 446,872,871,222.19 - Step 5: Solve for x
x = 446,872,871,222.19/752,570.10 - Step 6: Final answer
x = 593,795.68
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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.