Home / 748,640.81-1,033,050.27-458,334.21

Finding the Fourth Proportional to 748,640.81, 1,033,050.27 and 458,334.21

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Solution

The fourth proportional to 748,640.81, 1,033,050.27 and 458,334.21 is: 632,455.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,640.81 : 1,033,050.27 = 458,334.21 : x
  2. Step 2: Convert to fraction form
    748,640.81/1,033,050.27 = 458,334.21/x
  3. Step 3: Cross multiply
    748,640.81x = 1,033,050.27 × 458,334.21
  4. Step 4: Simplify right side
    748,640.81x = 473,482,284,983.43
  5. Step 5: Solve for x
    x = 473,482,284,983.43/748,640.81
  6. Step 6: Final answer
    x = 632,455.88

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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.