Home / 867,843.59-1,300,967.82-299,089.59

Finding the Fourth Proportional to 867,843.59, 1,300,967.82 and 299,089.59

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Solution

The fourth proportional to 867,843.59, 1,300,967.82 and 299,089.59 is: 448,359.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,843.59 : 1,300,967.82 = 299,089.59 : x
  2. Step 2: Convert to fraction form
    867,843.59/1,300,967.82 = 299,089.59/x
  3. Step 3: Cross multiply
    867,843.59x = 1,300,967.82 × 299,089.59
  4. Step 4: Simplify right side
    867,843.59x = 389,105,931,886.99
  5. Step 5: Solve for x
    x = 389,105,931,886.99/867,843.59
  6. Step 6: Final answer
    x = 448,359.52

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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.