Home / 709,279.60-1,064,903.55-443,559.10

Finding the Fourth Proportional to 709,279.60, 1,064,903.55 and 443,559.10

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Solution

The fourth proportional to 709,279.60, 1,064,903.55 and 443,559.10 is: 665,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,279.60 : 1,064,903.55 = 443,559.10 : x
  2. Step 2: Convert to fraction form
    709,279.60/1,064,903.55 = 443,559.10/x
  3. Step 3: Cross multiply
    709,279.60x = 1,064,903.55 × 443,559.10
  4. Step 4: Simplify right side
    709,279.60x = 472,347,660,224.81
  5. Step 5: Solve for x
    x = 472,347,660,224.81/709,279.60
  6. Step 6: Final answer
    x = 665,954.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.