Home / 814,262.40-1,123,660.40-470,086.74

Finding the Fourth Proportional to 814,262.40, 1,123,660.40 and 470,086.74

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Solution

The fourth proportional to 814,262.40, 1,123,660.40 and 470,086.74 is: 648,707.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,262.40 : 1,123,660.40 = 470,086.74 : x
  2. Step 2: Convert to fraction form
    814,262.40/1,123,660.40 = 470,086.74/x
  3. Step 3: Cross multiply
    814,262.40x = 1,123,660.40 × 470,086.74
  4. Step 4: Simplify right side
    814,262.40x = 528,217,851,952.66
  5. Step 5: Solve for x
    x = 528,217,851,952.66/814,262.40
  6. Step 6: Final answer
    x = 648,707.16

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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.