Home / 906,303.40-1,250,673.76-498,405.24

Finding the Fourth Proportional to 906,303.40, 1,250,673.76 and 498,405.24

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Solution

The fourth proportional to 906,303.40, 1,250,673.76 and 498,405.24 is: 687,785.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,303.40 : 1,250,673.76 = 498,405.24 : x
  2. Step 2: Convert to fraction form
    906,303.40/1,250,673.76 = 498,405.24/x
  3. Step 3: Cross multiply
    906,303.40x = 1,250,673.76 × 498,405.24
  4. Step 4: Simplify right side
    906,303.40x = 623,342,360,365.73
  5. Step 5: Solve for x
    x = 623,342,360,365.73/906,303.40
  6. Step 6: Final answer
    x = 687,785.52

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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.