Finding the Fourth Proportional to 692,233.02, 955,281.06 and 390,427.02
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Solution
The fourth proportional to 692,233.02, 955,281.06 and 390,427.02 is: 538,789.00
Step by Step Solution
- Step 1: Write the proportion equation
692,233.02 : 955,281.06 = 390,427.02 : x - Step 2: Convert to fraction form
692,233.02/955,281.06 = 390,427.02/x - Step 3: Cross multiply
692,233.02x = 955,281.06 × 390,427.02 - Step 4: Simplify right side
692,233.02x = 372,967,537,518.24 - Step 5: Solve for x
x = 372,967,537,518.24/692,233.02 - Step 6: Final answer
x = 538,789.00
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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.