Finding the Fourth Proportional to 778,244.18, 1,073,793.85 and 472,313.66
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Solution
The fourth proportional to 778,244.18, 1,073,793.85 and 472,313.66 is: 651,681.71
Step by Step Solution
- Step 1: Write the proportion equation
778,244.18 : 1,073,793.85 = 472,313.66 : x - Step 2: Convert to fraction form
778,244.18/1,073,793.85 = 472,313.66/x - Step 3: Cross multiply
778,244.18x = 1,073,793.85 × 472,313.66 - Step 4: Simplify right side
778,244.18x = 507,167,496,829.24 - Step 5: Solve for x
x = 507,167,496,829.24/778,244.18 - Step 6: Final answer
x = 651,681.71
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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.