Home / 720,460.98-1,080,666.87-341,563.23

Finding the Fourth Proportional to 720,460.98, 1,080,666.87 and 341,563.23

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Solution

The fourth proportional to 720,460.98, 1,080,666.87 and 341,563.23 is: 512,333.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,460.98 : 1,080,666.87 = 341,563.23 : x
  2. Step 2: Convert to fraction form
    720,460.98/1,080,666.87 = 341,563.23/x
  3. Step 3: Cross multiply
    720,460.98x = 1,080,666.87 × 341,563.23
  4. Step 4: Simplify right side
    720,460.98x = 369,116,065,390.33
  5. Step 5: Solve for x
    x = 369,116,065,390.33/720,460.98
  6. Step 6: Final answer
    x = 512,333.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.