Home / 779,266.65-1,168,966.53-273,783.72

Finding the Fourth Proportional to 779,266.65, 1,168,966.53 and 273,783.72

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Solution

The fourth proportional to 779,266.65, 1,168,966.53 and 273,783.72 is: 410,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,266.65 : 1,168,966.53 = 273,783.72 : x
  2. Step 2: Convert to fraction form
    779,266.65/1,168,966.53 = 273,783.72/x
  3. Step 3: Cross multiply
    779,266.65x = 1,168,966.53 × 273,783.72
  4. Step 4: Simplify right side
    779,266.65x = 320,044,005,138.89
  5. Step 5: Solve for x
    x = 320,044,005,138.89/779,266.65
  6. Step 6: Final answer
    x = 410,698.96

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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.