Home / 906,399.42-1,250,831.64-498,528.93

Finding the Fourth Proportional to 906,399.42, 1,250,831.64 and 498,528.93

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Solution

The fourth proportional to 906,399.42, 1,250,831.64 and 498,528.93 is: 687,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,399.42 : 1,250,831.64 = 498,528.93 : x
  2. Step 2: Convert to fraction form
    906,399.42/1,250,831.64 = 498,528.93/x
  3. Step 3: Cross multiply
    906,399.42x = 1,250,831.64 × 498,528.93
  4. Step 4: Simplify right side
    906,399.42x = 623,575,757,221.41
  5. Step 5: Solve for x
    x = 623,575,757,221.41/906,399.42
  6. Step 6: Final answer
    x = 687,970.17

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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.