Home / 749,425.32-1,034,215.08-409,886.28

Finding the Fourth Proportional to 749,425.32, 1,034,215.08 and 409,886.28

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Solution

The fourth proportional to 749,425.32, 1,034,215.08 and 409,886.28 is: 565,647.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,425.32 : 1,034,215.08 = 409,886.28 : x
  2. Step 2: Convert to fraction form
    749,425.32/1,034,215.08 = 409,886.28/x
  3. Step 3: Cross multiply
    749,425.32x = 1,034,215.08 × 409,886.28
  4. Step 4: Simplify right side
    749,425.32x = 423,910,571,861.10
  5. Step 5: Solve for x
    x = 423,910,571,861.10/749,425.32
  6. Step 6: Final answer
    x = 565,647.52

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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.