Finding the Fourth Proportional to 570,283.68, 786,938.16 and 340,795.42
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Solution
The fourth proportional to 570,283.68, 786,938.16 and 340,795.42 is: 470,265.82
Step by Step Solution
- Step 1: Write the proportion equation
570,283.68 : 786,938.16 = 340,795.42 : x - Step 2: Convert to fraction form
570,283.68/786,938.16 = 340,795.42/x - Step 3: Cross multiply
570,283.68x = 786,938.16 × 340,795.42 - Step 4: Simplify right side
570,283.68x = 268,184,920,751.23 - Step 5: Solve for x
x = 268,184,920,751.23/570,283.68 - Step 6: Final answer
x = 470,265.82
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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.