Home / 715,964.51-1,074,244.18-289,801.59

Finding the Fourth Proportional to 715,964.51, 1,074,244.18 and 289,801.59

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Solution

The fourth proportional to 715,964.51, 1,074,244.18 and 289,801.59 is: 434,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,964.51 : 1,074,244.18 = 289,801.59 : x
  2. Step 2: Convert to fraction form
    715,964.51/1,074,244.18 = 289,801.59/x
  3. Step 3: Cross multiply
    715,964.51x = 1,074,244.18 × 289,801.59
  4. Step 4: Simplify right side
    715,964.51x = 311,317,671,776.83
  5. Step 5: Solve for x
    x = 311,317,671,776.83/715,964.51
  6. Step 6: Final answer
    x = 434,822.77

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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.