Home / 747,766.24-1,031,911.98-408,234.40

Finding the Fourth Proportional to 747,766.24, 1,031,911.98 and 408,234.40

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Solution

The fourth proportional to 747,766.24, 1,031,911.98 and 408,234.40 is: 563,360.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,766.24 : 1,031,911.98 = 408,234.40 : x
  2. Step 2: Convert to fraction form
    747,766.24/1,031,911.98 = 408,234.40/x
  3. Step 3: Cross multiply
    747,766.24x = 1,031,911.98 × 408,234.40
  4. Step 4: Simplify right side
    747,766.24x = 421,261,968,008.11
  5. Step 5: Solve for x
    x = 421,261,968,008.11/747,766.24
  6. Step 6: Final answer
    x = 563,360.51

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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.