Home / 759,100.26-1,047,143.64-486,865.20

Finding the Fourth Proportional to 759,100.26, 1,047,143.64 and 486,865.20

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Solution

The fourth proportional to 759,100.26, 1,047,143.64 and 486,865.20 is: 671,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,100.26 : 1,047,143.64 = 486,865.20 : x
  2. Step 2: Convert to fraction form
    759,100.26/1,047,143.64 = 486,865.20/x
  3. Step 3: Cross multiply
    759,100.26x = 1,047,143.64 × 486,865.20
  4. Step 4: Simplify right side
    759,100.26x = 509,817,797,717.33
  5. Step 5: Solve for x
    x = 509,817,797,717.33/759,100.26
  6. Step 6: Final answer
    x = 671,607.99

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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.