Finding the Fourth Proportional to 688,513, 950,237.04 and 386,707
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Solution
The fourth proportional to 688,513, 950,237.04 and 386,707 is: 533,705.70
Step by Step Solution
- Step 1: Write the proportion equation
688,513 : 950,237.04 = 386,707 : x - Step 2: Convert to fraction form
688,513/950,237.04 = 386,707/x - Step 3: Cross multiply
688,513x = 950,237.04 × 386,707 - Step 4: Simplify right side
688,513x = 367,463,315,027.28 - Step 5: Solve for x
x = 367,463,315,027.28/688,513 - Step 6: Final answer
x = 533,705.70
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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.