Home / 753,574.85-1,039,676.09-466,990.37

Finding the Fourth Proportional to 753,574.85, 1,039,676.09 and 466,990.37

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Solution

The fourth proportional to 753,574.85, 1,039,676.09 and 466,990.37 is: 644,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,574.85 : 1,039,676.09 = 466,990.37 : x
  2. Step 2: Convert to fraction form
    753,574.85/1,039,676.09 = 466,990.37/x
  3. Step 3: Cross multiply
    753,574.85x = 1,039,676.09 × 466,990.37
  4. Step 4: Simplify right side
    753,574.85x = 485,518,714,415.92
  5. Step 5: Solve for x
    x = 485,518,714,415.92/753,574.85
  6. Step 6: Final answer
    x = 644,287.32

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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.