Home / 743,036.98-1,025,382-403,507.66

Finding the Fourth Proportional to 743,036.98, 1,025,382 and 403,507.66

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Solution

The fourth proportional to 743,036.98, 1,025,382 and 403,507.66 is: 556,835.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,036.98 : 1,025,382 = 403,507.66 : x
  2. Step 2: Convert to fraction form
    743,036.98/1,025,382 = 403,507.66/x
  3. Step 3: Cross multiply
    743,036.98x = 1,025,382 × 403,507.66
  4. Step 4: Simplify right side
    743,036.98x = 413,749,491,426.12
  5. Step 5: Solve for x
    x = 413,749,491,426.12/743,036.98
  6. Step 6: Final answer
    x = 556,835.67

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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.