Finding the Fourth Proportional to 752,501.64, 1,038,156.67 and 430,038.75
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Solution
The fourth proportional to 752,501.64, 1,038,156.67 and 430,038.75 is: 593,284.55
Step by Step Solution
- Step 1: Write the proportion equation
752,501.64 : 1,038,156.67 = 430,038.75 : x - Step 2: Convert to fraction form
752,501.64/1,038,156.67 = 430,038.75/x - Step 3: Cross multiply
752,501.64x = 1,038,156.67 × 430,038.75 - Step 4: Simplify right side
752,501.64x = 446,447,596,670.96 - Step 5: Solve for x
x = 446,447,596,670.96/752,501.64 - Step 6: Final answer
x = 593,284.55
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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.