Home / 906,145.76-1,250,485.64-498,273.92

Finding the Fourth Proportional to 906,145.76, 1,250,485.64 and 498,273.92

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Solution

The fourth proportional to 906,145.76, 1,250,485.64 and 498,273.92 is: 687,620.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,145.76 : 1,250,485.64 = 498,273.92 : x
  2. Step 2: Convert to fraction form
    906,145.76/1,250,485.64 = 498,273.92/x
  3. Step 3: Cross multiply
    906,145.76x = 1,250,485.64 × 498,273.92
  4. Step 4: Simplify right side
    906,145.76x = 623,084,381,746.51
  5. Step 5: Solve for x
    x = 623,084,381,746.51/906,145.76
  6. Step 6: Final answer
    x = 687,620.48

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Double scale
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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.