Home / 940,543.79-1,410,454.65-400,457.65

Finding the Fourth Proportional to 940,543.79, 1,410,454.65 and 400,457.65

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Solution

The fourth proportional to 940,543.79, 1,410,454.65 and 400,457.65 is: 600,532.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,543.79 : 1,410,454.65 = 400,457.65 : x
  2. Step 2: Convert to fraction form
    940,543.79/1,410,454.65 = 400,457.65/x
  3. Step 3: Cross multiply
    940,543.79x = 1,410,454.65 × 400,457.65
  4. Step 4: Simplify right side
    940,543.79x = 564,827,351,223.85
  5. Step 5: Solve for x
    x = 564,827,351,223.85/940,543.79
  6. Step 6: Final answer
    x = 600,532.76

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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.