Finding the Fourth Proportional to 559,863.23, 772,533.45 and 330,430.19
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Solution
The fourth proportional to 559,863.23, 772,533.45 and 330,430.19 is: 455,947.74
Step by Step Solution
- Step 1: Write the proportion equation
559,863.23 : 772,533.45 = 330,430.19 : x - Step 2: Convert to fraction form
559,863.23/772,533.45 = 330,430.19/x - Step 3: Cross multiply
559,863.23x = 772,533.45 × 330,430.19 - Step 4: Simplify right side
559,863.23x = 255,268,370,802.19 - Step 5: Solve for x
x = 255,268,370,802.19/559,863.23 - Step 6: Final answer
x = 455,947.74
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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.