Finding the Fourth Proportional to 553,752.48, 830,628.72 and 316,930.08
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Solution
The fourth proportional to 553,752.48, 830,628.72 and 316,930.08 is: 475,395.12
Step by Step Solution
- Step 1: Write the proportion equation
553,752.48 : 830,628.72 = 316,930.08 : x - Step 2: Convert to fraction form
553,752.48/830,628.72 = 316,930.08/x - Step 3: Cross multiply
553,752.48x = 830,628.72 × 316,930.08 - Step 4: Simplify right side
553,752.48x = 263,251,226,679.90 - Step 5: Solve for x
x = 263,251,226,679.90/553,752.48 - Step 6: Final answer
x = 475,395.12
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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.