Home / 949,281.75-1,310,004.05-513,698.78

Finding the Fourth Proportional to 949,281.75, 1,310,004.05 and 513,698.78

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Solution

The fourth proportional to 949,281.75, 1,310,004.05 and 513,698.78 is: 708,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,281.75 : 1,310,004.05 = 513,698.78 : x
  2. Step 2: Convert to fraction form
    949,281.75/1,310,004.05 = 513,698.78/x
  3. Step 3: Cross multiply
    949,281.75x = 1,310,004.05 × 513,698.78
  4. Step 4: Simplify right side
    949,281.75x = 672,947,482,280.06
  5. Step 5: Solve for x
    x = 672,947,482,280.06/949,281.75
  6. Step 6: Final answer
    x = 708,901.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.