Home / 947,116.64-1,421,235.44-348,498.17

Finding the Fourth Proportional to 947,116.64, 1,421,235.44 and 348,498.17

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Solution

The fourth proportional to 947,116.64, 1,421,235.44 and 348,498.17 is: 522,953.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,116.64 : 1,421,235.44 = 348,498.17 : x
  2. Step 2: Convert to fraction form
    947,116.64/1,421,235.44 = 348,498.17/x
  3. Step 3: Cross multiply
    947,116.64x = 1,421,235.44 × 348,498.17
  4. Step 4: Simplify right side
    947,116.64x = 495,297,943,744.21
  5. Step 5: Solve for x
    x = 495,297,943,744.21/947,116.64
  6. Step 6: Final answer
    x = 522,953.48

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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.