Home / 985,887.04-1,478,772.24-275,899.36

Finding the Fourth Proportional to 985,887.04, 1,478,772.24 and 275,899.36

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Solution

The fourth proportional to 985,887.04, 1,478,772.24 and 275,899.36 is: 413,832.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,887.04 : 1,478,772.24 = 275,899.36 : x
  2. Step 2: Convert to fraction form
    985,887.04/1,478,772.24 = 275,899.36/x
  3. Step 3: Cross multiply
    985,887.04x = 1,478,772.24 × 275,899.36
  4. Step 4: Simplify right side
    985,887.04x = 407,992,314,601.77
  5. Step 5: Solve for x
    x = 407,992,314,601.77/985,887.04
  6. Step 6: Final answer
    x = 413,832.72

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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.