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Finding the Fourth Proportional to 552,486.80, 824,129.38 and 543,343.52

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Solution

The fourth proportional to 552,486.80, 824,129.38 and 543,343.52 is: 810,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,486.80 : 824,129.38 = 543,343.52 : x
  2. Step 2: Convert to fraction form
    552,486.80/824,129.38 = 543,343.52/x
  3. Step 3: Cross multiply
    552,486.80x = 824,129.38 × 543,343.52
  4. Step 4: Simplify right side
    552,486.80x = 447,785,358,264.62
  5. Step 5: Solve for x
    x = 447,785,358,264.62/552,486.80
  6. Step 6: Final answer
    x = 810,490.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.