Home / 709,280.10-1,064,904.30-443,559.60

Finding the Fourth Proportional to 709,280.10, 1,064,904.30 and 443,559.60

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Solution

The fourth proportional to 709,280.10, 1,064,904.30 and 443,559.60 is: 665,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,280.10 : 1,064,904.30 = 443,559.60 : x
  2. Step 2: Convert to fraction form
    709,280.10/1,064,904.30 = 443,559.60/x
  3. Step 3: Cross multiply
    709,280.10x = 1,064,904.30 × 443,559.60
  4. Step 4: Simplify right side
    709,280.10x = 472,348,525,346.28
  5. Step 5: Solve for x
    x = 472,348,525,346.28/709,280.10
  6. Step 6: Final answer
    x = 665,954.85

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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.