Home / 709,701.60-1,064,431.44-354,338.40

Finding the Fourth Proportional to 709,701.60, 1,064,431.44 and 354,338.40

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Solution

The fourth proportional to 709,701.60, 1,064,431.44 and 354,338.40 is: 531,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,701.60 : 1,064,431.44 = 354,338.40 : x
  2. Step 2: Convert to fraction form
    709,701.60/1,064,431.44 = 354,338.40/x
  3. Step 3: Cross multiply
    709,701.60x = 1,064,431.44 × 354,338.40
  4. Step 4: Simplify right side
    709,701.60x = 377,168,933,359.30
  5. Step 5: Solve for x
    x = 377,168,933,359.30/709,701.60
  6. Step 6: Final answer
    x = 531,447.21

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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.