Finding the Fourth Proportional to 977,551.80, 1,466,327.70 and 577,986.90
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Solution
The fourth proportional to 977,551.80, 1,466,327.70 and 577,986.90 is: 866,980.35
Step by Step Solution
- Step 1: Write the proportion equation
977,551.80 : 1,466,327.70 = 577,986.90 : x - Step 2: Convert to fraction form
977,551.80/1,466,327.70 = 577,986.90/x - Step 3: Cross multiply
977,551.80x = 1,466,327.70 × 577,986.90 - Step 4: Simplify right side
977,551.80x = 847,518,201,707.13 - Step 5: Solve for x
x = 847,518,201,707.13/977,551.80 - Step 6: Final answer
x = 866,980.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.