Home / 735,466.56-1,015,291.28-490,856.32

Finding the Fourth Proportional to 735,466.56, 1,015,291.28 and 490,856.32

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Solution

The fourth proportional to 735,466.56, 1,015,291.28 and 490,856.32 is: 677,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,466.56 : 1,015,291.28 = 490,856.32 : x
  2. Step 2: Convert to fraction form
    735,466.56/1,015,291.28 = 490,856.32/x
  3. Step 3: Cross multiply
    735,466.56x = 1,015,291.28 × 490,856.32
  4. Step 4: Simplify right side
    735,466.56x = 498,362,141,428.89
  5. Step 5: Solve for x
    x = 498,362,141,428.89/735,466.56
  6. Step 6: Final answer
    x = 677,613.60

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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.