Finding the Fourth Proportional to 536,762.70, 740,802.60 and 346,330.08
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Solution
The fourth proportional to 536,762.70, 740,802.60 and 346,330.08 is: 477,980.72
Step by Step Solution
- Step 1: Write the proportion equation
536,762.70 : 740,802.60 = 346,330.08 : x - Step 2: Convert to fraction form
536,762.70/740,802.60 = 346,330.08/x - Step 3: Cross multiply
536,762.70x = 740,802.60 × 346,330.08 - Step 4: Simplify right side
536,762.70x = 256,562,223,722.21 - Step 5: Solve for x
x = 256,562,223,722.21/536,762.70 - Step 6: Final answer
x = 477,980.72
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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.