Home / 761,598.30-1,142,636.20-458,323.37

Finding the Fourth Proportional to 761,598.30, 1,142,636.20 and 458,323.37

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Solution

The fourth proportional to 761,598.30, 1,142,636.20 and 458,323.37 is: 687,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,598.30 : 1,142,636.20 = 458,323.37 : x
  2. Step 2: Convert to fraction form
    761,598.30/1,142,636.20 = 458,323.37/x
  3. Step 3: Cross multiply
    761,598.30x = 1,142,636.20 × 458,323.37
  4. Step 4: Simplify right side
    761,598.30x = 523,696,873,867.99
  5. Step 5: Solve for x
    x = 523,696,873,867.99/761,598.30
  6. Step 6: Final answer
    x = 687,628.73

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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.