Home / 915,550.39-1,373,400.30-459,907.24

Finding the Fourth Proportional to 915,550.39, 1,373,400.30 and 459,907.24

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Solution

The fourth proportional to 915,550.39, 1,373,400.30 and 459,907.24 is: 689,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,550.39 : 1,373,400.30 = 459,907.24 : x
  2. Step 2: Convert to fraction form
    915,550.39/1,373,400.30 = 459,907.24/x
  3. Step 3: Cross multiply
    915,550.39x = 1,373,400.30 × 459,907.24
  4. Step 4: Simplify right side
    915,550.39x = 631,636,741,388.17
  5. Step 5: Solve for x
    x = 631,636,741,388.17/915,550.39
  6. Step 6: Final answer
    x = 689,898.39

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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.