Home / 949,329.78-1,310,070.30-513,746.78

Finding the Fourth Proportional to 949,329.78, 1,310,070.30 and 513,746.78

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Solution

The fourth proportional to 949,329.78, 1,310,070.30 and 513,746.78 is: 708,967.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,329.78 : 1,310,070.30 = 513,746.78 : x
  2. Step 2: Convert to fraction form
    949,329.78/1,310,070.30 = 513,746.78/x
  3. Step 3: Cross multiply
    949,329.78x = 1,310,070.30 × 513,746.78
  4. Step 4: Simplify right side
    949,329.78x = 673,044,398,198.63
  5. Step 5: Solve for x
    x = 673,044,398,198.63/949,329.78
  6. Step 6: Final answer
    x = 708,967.96

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1.5x scale

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.