Home / 720,888.04-1,081,931.10-384,296.68

Finding the Fourth Proportional to 720,888.04, 1,081,931.10 and 384,296.68

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Solution

The fourth proportional to 720,888.04, 1,081,931.10 and 384,296.68 is: 576,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,888.04 : 1,081,931.10 = 384,296.68 : x
  2. Step 2: Convert to fraction form
    720,888.04/1,081,931.10 = 384,296.68/x
  3. Step 3: Cross multiply
    720,888.04x = 1,081,931.10 × 384,296.68
  4. Step 4: Simplify right side
    720,888.04x = 415,782,529,718.75
  5. Step 5: Solve for x
    x = 415,782,529,718.75/720,888.04
  6. Step 6: Final answer
    x = 576,764.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.