Home / 759,737.92-1,048,465.74-420,208.60

Finding the Fourth Proportional to 759,737.92, 1,048,465.74 and 420,208.60

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Solution

The fourth proportional to 759,737.92, 1,048,465.74 and 420,208.60 is: 579,903.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,737.92 : 1,048,465.74 = 420,208.60 : x
  2. Step 2: Convert to fraction form
    759,737.92/1,048,465.74 = 420,208.60/x
  3. Step 3: Cross multiply
    759,737.92x = 1,048,465.74 × 420,208.60
  4. Step 4: Simplify right side
    759,737.92x = 440,574,320,753.36
  5. Step 5: Solve for x
    x = 440,574,320,753.36/759,737.92
  6. Step 6: Final answer
    x = 579,903.03

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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.