Home / 740,440.24-1,021,287.88-454,074.48

Finding the Fourth Proportional to 740,440.24, 1,021,287.88 and 454,074.48

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Solution

The fourth proportional to 740,440.24, 1,021,287.88 and 454,074.48 is: 626,304.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,440.24 : 1,021,287.88 = 454,074.48 : x
  2. Step 2: Convert to fraction form
    740,440.24/1,021,287.88 = 454,074.48/x
  3. Step 3: Cross multiply
    740,440.24x = 1,021,287.88 × 454,074.48
  4. Step 4: Simplify right side
    740,440.24x = 463,740,763,041.30
  5. Step 5: Solve for x
    x = 463,740,763,041.30/740,440.24
  6. Step 6: Final answer
    x = 626,304.11

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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.