Home / 799,749.12-1,103,687.28-460,218.72

Finding the Fourth Proportional to 799,749.12, 1,103,687.28 and 460,218.72

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Solution

The fourth proportional to 799,749.12, 1,103,687.28 and 460,218.72 is: 635,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,749.12 : 1,103,687.28 = 460,218.72 : x
  2. Step 2: Convert to fraction form
    799,749.12/1,103,687.28 = 460,218.72/x
  3. Step 3: Cross multiply
    799,749.12x = 1,103,687.28 × 460,218.72
  4. Step 4: Simplify right side
    799,749.12x = 507,937,547,281.88
  5. Step 5: Solve for x
    x = 507,937,547,281.88/799,749.12
  6. Step 6: Final answer
    x = 635,121.11

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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.