Finding the Fourth Proportional to 520,819.69, 779,955.58 and 470,332.75
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Solution
The fourth proportional to 520,819.69, 779,955.58 and 470,332.75 is: 704,348.66
Step by Step Solution
- Step 1: Write the proportion equation
520,819.69 : 779,955.58 = 470,332.75 : x - Step 2: Convert to fraction form
520,819.69/779,955.58 = 470,332.75/x - Step 3: Cross multiply
520,819.69x = 779,955.58 × 470,332.75 - Step 4: Simplify right side
520,819.69x = 366,838,652,819.25 - Step 5: Solve for x
x = 366,838,652,819.25/520,819.69 - Step 6: Final answer
x = 704,348.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.