Home / 747,360.81-1,031,379.71-407,850.93

Finding the Fourth Proportional to 747,360.81, 1,031,379.71 and 407,850.93

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Solution

The fourth proportional to 747,360.81, 1,031,379.71 and 407,850.93 is: 562,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,360.81 : 1,031,379.71 = 407,850.93 : x
  2. Step 2: Convert to fraction form
    747,360.81/1,031,379.71 = 407,850.93/x
  3. Step 3: Cross multiply
    747,360.81x = 1,031,379.71 × 407,850.93
  4. Step 4: Simplify right side
    747,360.81x = 420,649,173,906.63
  5. Step 5: Solve for x
    x = 420,649,173,906.63/747,360.81
  6. Step 6: Final answer
    x = 562,846.18

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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.