Home / 646,972.20-970,458.30-173,705.40

Finding the Fourth Proportional to 646,972.20, 970,458.30 and 173,705.40

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Solution

The fourth proportional to 646,972.20, 970,458.30 and 173,705.40 is: 260,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,972.20 : 970,458.30 = 173,705.40 : x
  2. Step 2: Convert to fraction form
    646,972.20/970,458.30 = 173,705.40/x
  3. Step 3: Cross multiply
    646,972.20x = 970,458.30 × 173,705.40
  4. Step 4: Simplify right side
    646,972.20x = 168,573,847,184.82
  5. Step 5: Solve for x
    x = 168,573,847,184.82/646,972.20
  6. Step 6: Final answer
    x = 260,558.10

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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.