Home / 709,280.88-1,063,359.72-354,099.12

Finding the Fourth Proportional to 709,280.88, 1,063,359.72 and 354,099.12

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Solution

The fourth proportional to 709,280.88, 1,063,359.72 and 354,099.12 is: 530,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,280.88 : 1,063,359.72 = 354,099.12 : x
  2. Step 2: Convert to fraction form
    709,280.88/1,063,359.72 = 354,099.12/x
  3. Step 3: Cross multiply
    709,280.88x = 1,063,359.72 × 354,099.12
  4. Step 4: Simplify right side
    709,280.88x = 376,534,741,095.45
  5. Step 5: Solve for x
    x = 376,534,741,095.45/709,280.88
  6. Step 6: Final answer
    x = 530,868.31

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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.