Home / 789,032.24-1,088,809.80-444,880.40

Finding the Fourth Proportional to 789,032.24, 1,088,809.80 and 444,880.40

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Solution

The fourth proportional to 789,032.24, 1,088,809.80 and 444,880.40 is: 613,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,032.24 : 1,088,809.80 = 444,880.40 : x
  2. Step 2: Convert to fraction form
    789,032.24/1,088,809.80 = 444,880.40/x
  3. Step 3: Cross multiply
    789,032.24x = 1,088,809.80 × 444,880.40
  4. Step 4: Simplify right side
    789,032.24x = 484,390,139,347.92
  5. Step 5: Solve for x
    x = 484,390,139,347.92/789,032.24
  6. Step 6: Final answer
    x = 613,904.12

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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.