Finding the Fourth Proportional to 953,308.08, 1,430,782.20 and 553,393.26
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Solution
The fourth proportional to 953,308.08, 1,430,782.20 and 553,393.26 is: 830,565.94
Step by Step Solution
- Step 1: Write the proportion equation
953,308.08 : 1,430,782.20 = 553,393.26 : x - Step 2: Convert to fraction form
953,308.08/1,430,782.20 = 553,393.26/x - Step 3: Cross multiply
953,308.08x = 1,430,782.20 × 553,393.26 - Step 4: Simplify right side
953,308.08x = 791,785,226,007.97 - Step 5: Solve for x
x = 791,785,226,007.97/953,308.08 - Step 6: Final answer
x = 830,565.94
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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.