Home / 747,358.38-1,031,357.41-407,826.63

Finding the Fourth Proportional to 747,358.38, 1,031,357.41 and 407,826.63

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Solution

The fourth proportional to 747,358.38, 1,031,357.41 and 407,826.63 is: 562,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,358.38 : 1,031,357.41 = 407,826.63 : x
  2. Step 2: Convert to fraction form
    747,358.38/1,031,357.41 = 407,826.63/x
  3. Step 3: Cross multiply
    747,358.38x = 1,031,357.41 × 407,826.63
  4. Step 4: Simplify right side
    747,358.38x = 420,615,015,826.26
  5. Step 5: Solve for x
    x = 420,615,015,826.26/747,358.38
  6. Step 6: Final answer
    x = 562,802.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.