Home / 906,223.08-1,250,619.30-498,341.64

Finding the Fourth Proportional to 906,223.08, 1,250,619.30 and 498,341.64

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Solution

The fourth proportional to 906,223.08, 1,250,619.30 and 498,341.64 is: 687,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,223.08 : 1,250,619.30 = 498,341.64 : x
  2. Step 2: Convert to fraction form
    906,223.08/1,250,619.30 = 498,341.64/x
  3. Step 3: Cross multiply
    906,223.08x = 1,250,619.30 × 498,341.64
  4. Step 4: Simplify right side
    906,223.08x = 623,235,672,977.65
  5. Step 5: Solve for x
    x = 623,235,672,977.65/906,223.08
  6. Step 6: Final answer
    x = 687,728.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.