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Finding the Fourth Proportional to 624,086.40, 937,051.20 and 484,003.20

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Solution

The fourth proportional to 624,086.40, 937,051.20 and 484,003.20 is: 726,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,086.40 : 937,051.20 = 484,003.20 : x
  2. Step 2: Convert to fraction form
    624,086.40/937,051.20 = 484,003.20/x
  3. Step 3: Cross multiply
    624,086.40x = 937,051.20 × 484,003.20
  4. Step 4: Simplify right side
    624,086.40x = 453,535,779,363.84
  5. Step 5: Solve for x
    x = 453,535,779,363.84/624,086.40
  6. Step 6: Final answer
    x = 726,719.54

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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.