Finding the Fourth Proportional to 960,339.45, 1,440,582.08 and 286,368.02
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Solution
The fourth proportional to 960,339.45, 1,440,582.08 and 286,368.02 is: 429,573.77
Step by Step Solution
- Step 1: Write the proportion equation
960,339.45 : 1,440,582.08 = 286,368.02 : x - Step 2: Convert to fraction form
960,339.45/1,440,582.08 = 286,368.02/x - Step 3: Cross multiply
960,339.45x = 1,440,582.08 × 286,368.02 - Step 4: Simplify right side
960,339.45x = 412,536,637,897.08 - Step 5: Solve for x
x = 412,536,637,897.08/960,339.45 - Step 6: Final answer
x = 429,573.77
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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.