Home / 747,332.11-1,031,308.63-407,794.51

Finding the Fourth Proportional to 747,332.11, 1,031,308.63 and 407,794.51

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Solution

The fourth proportional to 747,332.11, 1,031,308.63 and 407,794.51 is: 562,751.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,332.11 : 1,031,308.63 = 407,794.51 : x
  2. Step 2: Convert to fraction form
    747,332.11/1,031,308.63 = 407,794.51/x
  3. Step 3: Cross multiply
    747,332.11x = 1,031,308.63 × 407,794.51
  4. Step 4: Simplify right side
    747,332.11x = 420,561,997,429.62
  5. Step 5: Solve for x
    x = 420,561,997,429.62/747,332.11
  6. Step 6: Final answer
    x = 562,751.14

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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.