Home / 729,664.13-1,006,870.23-407,314.91

Finding the Fourth Proportional to 729,664.13, 1,006,870.23 and 407,314.91

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Solution

The fourth proportional to 729,664.13, 1,006,870.23 and 407,314.91 is: 562,057.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,664.13 : 1,006,870.23 = 407,314.91 : x
  2. Step 2: Convert to fraction form
    729,664.13/1,006,870.23 = 407,314.91/x
  3. Step 3: Cross multiply
    729,664.13x = 1,006,870.23 × 407,314.91
  4. Step 4: Simplify right side
    729,664.13x = 410,113,250,043.20
  5. Step 5: Solve for x
    x = 410,113,250,043.20/729,664.13
  6. Step 6: Final answer
    x = 562,057.58

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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.