Home / 947,111.75-1,421,228.13-348,493.29

Finding the Fourth Proportional to 947,111.75, 1,421,228.13 and 348,493.29

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Solution

The fourth proportional to 947,111.75, 1,421,228.13 and 348,493.29 is: 522,946.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,111.75 : 1,421,228.13 = 348,493.29 : x
  2. Step 2: Convert to fraction form
    947,111.75/1,421,228.13 = 348,493.29/x
  3. Step 3: Cross multiply
    947,111.75x = 1,421,228.13 × 348,493.29
  4. Step 4: Simplify right side
    947,111.75x = 495,288,460,227.79
  5. Step 5: Solve for x
    x = 495,288,460,227.79/947,111.75
  6. Step 6: Final answer
    x = 522,946.17

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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.