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Finding the Fourth Proportional to 482,899.70, 724,810.35 and 412,858.10

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Solution

The fourth proportional to 482,899.70, 724,810.35 and 412,858.10 is: 619,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,899.70 : 724,810.35 = 412,858.10 : x
  2. Step 2: Convert to fraction form
    482,899.70/724,810.35 = 412,858.10/x
  3. Step 3: Cross multiply
    482,899.70x = 724,810.35 × 412,858.10
  4. Step 4: Simplify right side
    482,899.70x = 299,243,823,961.34
  5. Step 5: Solve for x
    x = 299,243,823,961.34/482,899.70
  6. Step 6: Final answer
    x = 619,681.11

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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.