Finding the Fourth Proportional to 929,221.02, 1,281,852.36 and 607,119.66
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Solution
The fourth proportional to 929,221.02, 1,281,852.36 and 607,119.66 is: 837,516.32
Step by Step Solution
- Step 1: Write the proportion equation
929,221.02 : 1,281,852.36 = 607,119.66 : x - Step 2: Convert to fraction form
929,221.02/1,281,852.36 = 607,119.66/x - Step 3: Cross multiply
929,221.02x = 1,281,852.36 × 607,119.66 - Step 4: Simplify right side
929,221.02x = 778,237,768,973.40 - Step 5: Solve for x
x = 778,237,768,973.40/929,221.02 - Step 6: Final answer
x = 837,516.32
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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.