Finding the Fourth Proportional to 738,345.70, 1,107,518.55 and 607,125.70
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Solution
The fourth proportional to 738,345.70, 1,107,518.55 and 607,125.70 is: 910,688.55
Step by Step Solution
- Step 1: Write the proportion equation
738,345.70 : 1,107,518.55 = 607,125.70 : x - Step 2: Convert to fraction form
738,345.70/1,107,518.55 = 607,125.70/x - Step 3: Cross multiply
738,345.70x = 1,107,518.55 × 607,125.70 - Step 4: Simplify right side
738,345.70x = 672,402,974,931.74 - Step 5: Solve for x
x = 672,402,974,931.74/738,345.70 - Step 6: Final answer
x = 910,688.55
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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.