Home / 747,293.82-1,031,265.45-407,762.07

Finding the Fourth Proportional to 747,293.82, 1,031,265.45 and 407,762.07

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Solution

The fourth proportional to 747,293.82, 1,031,265.45 and 407,762.07 is: 562,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,293.82 : 1,031,265.45 = 407,762.07 : x
  2. Step 2: Convert to fraction form
    747,293.82/1,031,265.45 = 407,762.07/x
  3. Step 3: Cross multiply
    747,293.82x = 1,031,265.45 × 407,762.07
  4. Step 4: Simplify right side
    747,293.82x = 420,510,934,611.48
  5. Step 5: Solve for x
    x = 420,510,934,611.48/747,293.82
  6. Step 6: Final answer
    x = 562,711.64

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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.