Finding the Fourth Proportional to 742,519.95, 1,114,248.47 and 316,055.08
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Solution
The fourth proportional to 742,519.95, 1,114,248.47 and 316,055.08 is: 474,282.06
Step by Step Solution
- Step 1: Write the proportion equation
742,519.95 : 1,114,248.47 = 316,055.08 : x - Step 2: Convert to fraction form
742,519.95/1,114,248.47 = 316,055.08/x - Step 3: Cross multiply
742,519.95x = 1,114,248.47 × 316,055.08 - Step 4: Simplify right side
742,519.95x = 352,163,887,745.45 - Step 5: Solve for x
x = 352,163,887,745.45/742,519.95 - Step 6: Final answer
x = 474,282.06
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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.