Home / 947,111.81-1,421,228.22-348,493.35

Finding the Fourth Proportional to 947,111.81, 1,421,228.22 and 348,493.35

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Solution

The fourth proportional to 947,111.81, 1,421,228.22 and 348,493.35 is: 522,946.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,111.81 : 1,421,228.22 = 348,493.35 : x
  2. Step 2: Convert to fraction form
    947,111.81/1,421,228.22 = 348,493.35/x
  3. Step 3: Cross multiply
    947,111.81x = 1,421,228.22 × 348,493.35
  4. Step 4: Simplify right side
    947,111.81x = 495,288,581,725.80
  5. Step 5: Solve for x
    x = 495,288,581,725.80/947,111.81
  6. Step 6: Final answer
    x = 522,946.26

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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.