Home / 712,774.22-1,069,320.89-239,446.67

Finding the Fourth Proportional to 712,774.22, 1,069,320.89 and 239,446.67

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Solution

The fourth proportional to 712,774.22, 1,069,320.89 and 239,446.67 is: 359,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,774.22 : 1,069,320.89 = 239,446.67 : x
  2. Step 2: Convert to fraction form
    712,774.22/1,069,320.89 = 239,446.67/x
  3. Step 3: Cross multiply
    712,774.22x = 1,069,320.89 × 239,446.67
  4. Step 4: Simplify right side
    712,774.22x = 256,045,321,523.95
  5. Step 5: Solve for x
    x = 256,045,321,523.95/712,774.22
  6. Step 6: Final answer
    x = 359,223.60

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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.