Finding the Fourth Proportional to 523,501.80, 785,252.70 and 470,357.70
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Solution
The fourth proportional to 523,501.80, 785,252.70 and 470,357.70 is: 705,536.55
Step by Step Solution
- Step 1: Write the proportion equation
523,501.80 : 785,252.70 = 470,357.70 : x - Step 2: Convert to fraction form
523,501.80/785,252.70 = 470,357.70/x - Step 3: Cross multiply
523,501.80x = 785,252.70 × 470,357.70 - Step 4: Simplify right side
523,501.80x = 369,349,653,890.79 - Step 5: Solve for x
x = 369,349,653,890.79/523,501.80 - Step 6: Final answer
x = 705,536.55
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1.5x scale
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.