Home / 947,118.64-1,421,238.44-348,500.17

Finding the Fourth Proportional to 947,118.64, 1,421,238.44 and 348,500.17

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Solution

The fourth proportional to 947,118.64, 1,421,238.44 and 348,500.17 is: 522,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,118.64 : 1,421,238.44 = 348,500.17 : x
  2. Step 2: Convert to fraction form
    947,118.64/1,421,238.44 = 348,500.17/x
  3. Step 3: Cross multiply
    947,118.64x = 1,421,238.44 × 348,500.17
  4. Step 4: Simplify right side
    947,118.64x = 495,301,837,950.54
  5. Step 5: Solve for x
    x = 495,301,837,950.54/947,118.64
  6. Step 6: Final answer
    x = 522,956.49

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Double scale
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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.