Home / 753,970.88-1,040,426.72-414,461.12

Finding the Fourth Proportional to 753,970.88, 1,040,426.72 and 414,461.12

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Solution

The fourth proportional to 753,970.88, 1,040,426.72 and 414,461.12 is: 571,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,970.88 : 1,040,426.72 = 414,461.12 : x
  2. Step 2: Convert to fraction form
    753,970.88/1,040,426.72 = 414,461.12/x
  3. Step 3: Cross multiply
    753,970.88x = 1,040,426.72 × 414,461.12
  4. Step 4: Simplify right side
    753,970.88x = 431,216,423,649.13
  5. Step 5: Solve for x
    x = 431,216,423,649.13/753,970.88
  6. Step 6: Final answer
    x = 571,927.16

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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.