Home / 748,931.25-1,033,528.82-409,399.50

Finding the Fourth Proportional to 748,931.25, 1,033,528.82 and 409,399.50

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Solution

The fourth proportional to 748,931.25, 1,033,528.82 and 409,399.50 is: 564,973.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,931.25 : 1,033,528.82 = 409,399.50 : x
  2. Step 2: Convert to fraction form
    748,931.25/1,033,528.82 = 409,399.50/x
  3. Step 3: Cross multiply
    748,931.25x = 1,033,528.82 × 409,399.50
  4. Step 4: Simplify right side
    748,931.25x = 423,126,180,096.59
  5. Step 5: Solve for x
    x = 423,126,180,096.59/748,931.25
  6. Step 6: Final answer
    x = 564,973.33

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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.