Finding the Fourth Proportional to 566,525.68, 781,775.40 and 311,827.84
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Solution
The fourth proportional to 566,525.68, 781,775.40 and 311,827.84 is: 430,305.89
Step by Step Solution
- Step 1: Write the proportion equation
566,525.68 : 781,775.40 = 311,827.84 : x - Step 2: Convert to fraction form
566,525.68/781,775.40 = 311,827.84/x - Step 3: Cross multiply
566,525.68x = 781,775.40 × 311,827.84 - Step 4: Simplify right side
566,525.68x = 243,779,334,347.14 - Step 5: Solve for x
x = 243,779,334,347.14/566,525.68 - Step 6: Final answer
x = 430,305.89
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1.5x scale
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.