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Finding the Fourth Proportional to 824,471.92, 1,137,513 and 461,846.80

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Solution

The fourth proportional to 824,471.92, 1,137,513 and 461,846.80 is: 637,203.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,471.92 : 1,137,513 = 461,846.80 : x
  2. Step 2: Convert to fraction form
    824,471.92/1,137,513 = 461,846.80/x
  3. Step 3: Cross multiply
    824,471.92x = 1,137,513 × 461,846.80
  4. Step 4: Simplify right side
    824,471.92x = 525,356,739,008.40
  5. Step 5: Solve for x
    x = 525,356,739,008.40/824,471.92
  6. Step 6: Final answer
    x = 637,203.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.