Home / 747,358.48-1,031,376.64-407,848.64

Finding the Fourth Proportional to 747,358.48, 1,031,376.64 and 407,848.64

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Solution

The fourth proportional to 747,358.48, 1,031,376.64 and 407,848.64 is: 562,843.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,358.48 : 1,031,376.64 = 407,848.64 : x
  2. Step 2: Convert to fraction form
    747,358.48/1,031,376.64 = 407,848.64/x
  3. Step 3: Cross multiply
    747,358.48x = 1,031,376.64 × 407,848.64
  4. Step 4: Simplify right side
    747,358.48x = 420,645,559,951.77
  5. Step 5: Solve for x
    x = 420,645,559,951.77/747,358.48
  6. Step 6: Final answer
    x = 562,843.09

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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.