Home / 940,545.61-1,410,457.39-400,459.48

Finding the Fourth Proportional to 940,545.61, 1,410,457.39 and 400,459.48

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Solution

The fourth proportional to 940,545.61, 1,410,457.39 and 400,459.48 is: 600,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,545.61 : 1,410,457.39 = 400,459.48 : x
  2. Step 2: Convert to fraction form
    940,545.61/1,410,457.39 = 400,459.48/x
  3. Step 3: Cross multiply
    940,545.61x = 1,410,457.39 × 400,459.48
  4. Step 4: Simplify right side
    940,545.61x = 564,831,032,961.56
  5. Step 5: Solve for x
    x = 564,831,032,961.56/940,545.61
  6. Step 6: Final answer
    x = 600,535.51

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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.