Home / 940,438.80-1,298,100.60-600,908.40

Finding the Fourth Proportional to 940,438.80, 1,298,100.60 and 600,908.40

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Solution

The fourth proportional to 940,438.80, 1,298,100.60 and 600,908.40 is: 829,442.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,438.80 : 1,298,100.60 = 600,908.40 : x
  2. Step 2: Convert to fraction form
    940,438.80/1,298,100.60 = 600,908.40/x
  3. Step 3: Cross multiply
    940,438.80x = 1,298,100.60 × 600,908.40
  4. Step 4: Simplify right side
    940,438.80x = 780,039,554,585.04
  5. Step 5: Solve for x
    x = 780,039,554,585.04/940,438.80
  6. Step 6: Final answer
    x = 829,442.12

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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.