Home / 646,795.90-970,339.29-197,479.18

Finding the Fourth Proportional to 646,795.90, 970,339.29 and 197,479.18

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Solution

The fourth proportional to 646,795.90, 970,339.29 and 197,479.18 is: 296,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,795.90 : 970,339.29 = 197,479.18 : x
  2. Step 2: Convert to fraction form
    646,795.90/970,339.29 = 197,479.18/x
  3. Step 3: Cross multiply
    646,795.90x = 970,339.29 × 197,479.18
  4. Step 4: Simplify right side
    646,795.90x = 191,621,807,310.98
  5. Step 5: Solve for x
    x = 191,621,807,310.98/646,795.90
  6. Step 6: Final answer
    x = 296,263.18

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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.